// JavaScript Document


// VALIDACAO DE CAMPOS DO FORMULARIO
/*

No campo colocar o id com um "-" na frente e colocar no title o nome do campo que aparecera na mensagem de erro
Exemplo: <input type="text" id="-nome" name="nome" title="Nome Completo" size="40" class="formularios" />
No form: <form method="post" name="formbolsa" id="formbolsa" action="bolsa_pos_inscricao.php" onsubmit="return validacampos('formbolsa');">
*/
function validacampos(formulario){
    var campo = document.forms[formulario];
    var i=0;
    for (i=0; i<campo.elements.length; i++){
       var nomecampo = campo.elements[i].id;
      if (nomecampo.substring(1,0) == '-'){
            var valida = campo.elements[i].value;
          if (valida == ''){
              alert('O campo ' +  campo.elements[i].title + ' deve ser preenchido!');
             return false;
         }
      }
   }
}






/////////////////////////////////////////////////////////////////////////////////////////
// FUNCAO    :  numbersOnly(myfield,e)               				 
// DESCRICAO :  Impede que o usuario digite valores nao numericos                				
// SINTÁXE   :  onKeyPress="return numbersOnly(this, event)"
// PARAMETROS:  myfield  - o campo que sofrerá esta restricao(basta colocar this)         				 
//		        e - evento(basta colocar o event)   		
// RETORNO   :  true caso seja numero e false caso contrario
/////////////////////////////////////////////////////////////////////////////////////////

function numbersOnly(myfield, e)
{
    if (myfield.length ==0)
	    myfield.value=0;  
	  var key;
	  var keychar;
    if (window.event)
     key = window.event.keyCode;
    else if (e)
     key = e.which;
    else
     return true;
	  keychar = String.fromCharCode(key);
    if ((key==null) || (key==0) || (key==8) || 
		      (key==9)|| (key==13)|| (key==27) )
     return true;
    else if ((("0123456789").indexOf(keychar) > -1))
	     return true;
	else
   return false;
}






 /////////////////////////////////////////////////////////////////////////////////////////
// FUNCAO    :  Mascara(tipo, campo, teclaPress)           				 
// DESCRICAO :  Formata entrada de dados para CPF, CNPJ, DATA, TEL      				
// SINTÁXE   :  onKeyPress="Mascara('TEL',this,event);"
// PARAMETROS:  myfield  - o campo que sofrerá esta restricao(basta colocar this)         				 
//		        e - evento(basta colocar o event)   		
// RETORNO   :  true caso seja numero e false caso contrario
/////////////////////////////////////////////////////////////////////////////////////////

function Mascara(tipo, campo, teclaPress) {
	if (window.event)
	{
		var tecla = teclaPress.keyCode;
	} else {
		tecla = teclaPress.which;
	}

	var s = new String(campo.value);
	// Remove todos os caracteres à seguir: ( ) / - . e espaço, para tratar a string denovo.
	s = s.replace(/(\.|\(|\)|\/|\-| )+/g,'');
 
	tam = s.length + 1;
 
	if ( tecla != 9 && tecla != 8 ) {
		switch (tipo)
		{
		case 'CPF' :
			if (tam > 3 && tam < 7)
				campo.value = s.substr(0,3) + '.' + s.substr(3, tam);
			if (tam >= 7 && tam < 10)
				campo.value = s.substr(0,3) + '.' + s.substr(3,3) + '.' + s.substr(6,tam-6);
			if (tam >= 10 && tam < 12)
				campo.value = s.substr(0,3) + '.' + s.substr(3,3) + '.' + s.substr(6,3) + '-' + s.substr(9,tam-9);
		break;
 
		case 'CNPJ' :
 
			if (tam > 2 && tam < 6)
				campo.value = s.substr(0,2) + '.' + s.substr(2, tam);
			if (tam >= 6 && tam < 9)
				campo.value = s.substr(0,2) + '.' + s.substr(2,3) + '.' + s.substr(5,tam-5);
			if (tam >= 9 && tam < 13)
				campo.value = s.substr(0,2) + '.' + s.substr(2,3) + '.' + s.substr(5,3) + '/' + s.substr(8,tam-8);
			if (tam >= 13 && tam < 15)
				campo.value = s.substr(0,2) + '.' + s.substr(2,3) + '.' + s.substr(5,3) + '/' + s.substr(8,4)+ '-' + s.substr(12,tam-12);
		break;
 
		case 'TEL' :
			if (tam > 2 && tam < 4)
				campo.value = '(' + s.substr(0,2) + ') ' + s.substr(2,tam);
			if (tam >= 7 && tam < 11)
				campo.value = '(' + s.substr(0,2) + ') ' + s.substr(2,4) + '-' + s.substr(6,tam-6);
		break;
 
		case 'DATA' :
			if (tam > 2 && tam < 4)
				campo.value = s.substr(0,2) + '/' + s.substr(2, tam);
			if (tam > 4 && tam < 11)
				campo.value = s.substr(0,2) + '/' + s.substr(2,2) + '/' + s.substr(4,tam-4);
		break;
		}
	}
}



/////////////////////////////////////////////////////////////////////////////////////////
// FUNCAO    :  mudaFoco(caracteres,focoAtual,novoFoco)               				 
// DESCRICAO :  Passa o foco para outro componente apos digitar n caracteres                				
// SINTÁXE   :  onkeyup="javascript:mudaFoco(caracteres,focoAtual,novoFoco)"
// PARAMETROS:  caracteres - Numero - Quantidade de caracteres digitados ate perder o foco           				 
//		        focoAtual - Componente - Componente de um form onde será digitado os caracteres
// RETORNO   :  novoFoco - Componente - Componente de um form que ganhara o foco apos ser
//										digitado a qtd de caracteres no focoAtual
/////////////////////////////////////////////////////////////////////////////////////////
 function mudaFoco(caracteres,focoAtual,novoFoco)
 {
  if (focoAtual.value.length==caracteres) 
  {
    novoFoco.focus();		
  }
 }




/////////////////////////////////////////////////////////////////////////////////////////
// FUNCAO    :  abrir_layer_select_valor(selObj,div,valor,restore)             				 
// DESCRICAO :  Abri e fecha layer com select            				
// SINTÁXE   :  onChange="abrir_layer_select_valor(this,'novo_div_para_abrir','valor_no_select',0)"
// PARAMETROS:  novo_div_para_abrir - Nome do div que devera abrir quando o valor no select for igual ao 'valor_no_select'          				 
//		        valor_no_select - valor no select que abre a div
// EXEMPLO   :  <select name="ensino_medio" id="ensino_medio" onChange="abrir_layer_select_valor(this,'como_conheceu_div','outros',0)">
//				<div id="como_conheceu_div" style="display: none;"><input type="text" size="15" id="como_conheceu" name="como_conheceu" />
/////////////////////////////////////////////////////////////////////////////////////////

function abrir_layer_select_valor(selObj,div,valor,restore) { //v3.0

	opcao = selObj.options[selObj.selectedIndex].value; // opcao

	// se valor da selecao = valor pre definido entao abre div
	if(opcao==valor) {
		document.getElementById(div).style.display="block";
	}  else {
		document.getElementById(div).style.display="none"; // inicia fechado	
	}
	
	if (restore) selObj.selectedIndex=0;
}



//BARRA DE FERRAMENTAS (enviar amigo, aumentar/diminuir texto...)



function MM_reloadPage(init) {  //reloads the window if Nav4 resized

  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {

    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}

  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();

}

MM_reloadPage(true);



// PRELOAD IMAGES

function MM_preloadImages() { //v3.0

  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();

    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)

    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}

}



function MM_swapImgRestore() { //v3.0

  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;

}



function MM_findObj(n, d) { //v4.01

  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {

    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}

  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];

  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);

  if(!x && d.getElementById) x=d.getElementById(n); return x;

}



function MM_swapImage() { //v3.0

  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)

   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}

}



//END BARRA DE FERRAMENTAS



//ABRIR / FECHART DIV



function me(div) {

var divq = document.getElementById(div).style;

if (divq.display == 'none') {

divq.display = 'block';



}

else {

divq.display = 'none';

}

}



function ma(div) {

var divq = document.getElementById(div).style;

if (divq.display == 'block') {

divq.display = 'none';

}

else {

divq.display = 'block';

}

}





// ABRIR POP-UP



function MM_openBrWindow(theURL,winName,features) { //v2.0

  window.open(theURL,winName,features);

}





//END ABRIR / FECHAR DIV DA HOME

function Abrir(pagina, alt, lar){

	

	var altura = alt;

	var largura = lar;





	var a = (screen.height/2)-(altura/2);

	var l = (screen.width/2)-(largura/2);

	window.open(pagina, 'enquete', 'width='+largura+',height='+altura+',top='+a+',left='+l+',scrollbars=1');

}



// FECHAR LAYER

function fecha_layer(div){

	document.getElementById(div).style.display="none";

}











// AUMENTAR TAMANHO DO TEXTO



var tgs = new Array('div');



//Especificar os tamanhos de fonte:

var szs = new Array( '09px','10px','11px','14px','16px' );

var startSz = 2;





function ts( trgt,inc ) {

	if (!document.getElementById) return

	var d = document,cEl = null,sz = startSz,i,j,cTags;

	

	sz += inc;

	if ( sz < 0 ) sz = 0;

	if ( sz > 4 ) sz = 4;

	startSz = sz;

		

	if ( !( cEl = d.getElementById( trgt ) ) ) cEl = d.getElementsByTagName( trgt )[ 0 ];



	cEl.style.fontSize = szs[ sz ];



	for ( i = 0 ; i < tgs.length ; i++ ) {

		cTags = cEl.getElementsByTagName( tgs[ i ] );

		for ( j = 0 ; j < cTags.length ; j++ ) cTags[ j ].style.fontSize = szs[ sz ];

	}

}







// ABRIR E FECHAR DIV SALVANDO QUE SALVA SE O DIV JA FOI CLICADO OU NAO



/***********************************************

* Contractible Headers script- © Dynamic Drive (www.dynamicdrive.com)

* This notice must stay intact for legal use. Last updated Mar 23rd, 2004.

* Visit http://www.dynamicdrive.com/ for full source code

***********************************************/



var enablepersist="on" //Enable saving state of content structure using session cookies? (on/off)

var collapseprevious="no" //Collapse previously open content when opening present? (yes/no)



if (document.getElementById){

document.write('<style type="text/css">')

document.write('.switchcontent{display:none;}')

document.write('</style>')

}



function getElementbyClass(classname){

ccollect=new Array()

var inc=0

var alltags=document.all? document.all : document.getElementsByTagName("*")

for (i=0; i<alltags.length; i++){

if (alltags[i].className==classname)

ccollect[inc++]=alltags[i]

}

}



function contractcontent(omit){

var inc=0

while (ccollect[inc]){

if (ccollect[inc].id!=omit)

ccollect[inc].style.display="none"

inc++

}

}



function expandcontent(cid){

if (typeof ccollect!="undefined"){

if (collapseprevious=="yes")

contractcontent(cid)

document.getElementById(cid).style.display=(document.getElementById(cid).style.display!="block")? "block" : "none"

}

}



function revivecontent(){

contractcontent("omitnothing")

selectedItem=getselectedItem()

selectedComponents=selectedItem.split("|")

for (i=0; i<selectedComponents.length-1; i++)

document.getElementById(selectedComponents[i]).style.display="block"

}



function get_cookie(Name) { 

var search = Name + "="

var returnvalue = "";

if (document.cookie.length > 0) {

offset = document.cookie.indexOf(search)

if (offset != -1) { 

offset += search.length

end = document.cookie.indexOf(";", offset);

if (end == -1) end = document.cookie.length;

returnvalue=unescape(document.cookie.substring(offset, end))

}

}

return returnvalue;

}



function getselectedItem(){

if (get_cookie(window.location.pathname) != ""){

selectedItem=get_cookie(window.location.pathname)

return selectedItem

}

else

return ""

}



function saveswitchstate(){

var inc=0, selectedItem=""

while (ccollect[inc]){

if (ccollect[inc].style.display=="block")

selectedItem+=ccollect[inc].id+"|"

inc++

}



document.cookie=window.location.pathname+"="+selectedItem

}



function do_onload(){

uniqueidn=window.location.pathname+"firsttimeload"

getElementbyClass("switchcontent")

if (enablepersist=="on" && typeof ccollect!="undefined"){

document.cookie=(get_cookie(uniqueidn)=="")? uniqueidn+"=1" : uniqueidn+"=0" 

firsttimeload=(get_cookie(uniqueidn)==1)? 1 : 0 //check if this is 1st page load

if (!firsttimeload)

revivecontent()

}

}





if (window.addEventListener)

window.addEventListener("load", do_onload, false)

else if (window.attachEvent)

window.attachEvent("onload", do_onload)

else if (document.getElementById)

window.onload=do_onload



if (enablepersist=="on" && document.getElementById)

window.onunload=saveswitchstate













//slide shoe

/*==================================================*

 $Id: slideshow.js,v 1.16 2003/10/14 12:39:00 pat Exp $

 Copyright 2000-2003 Patrick Fitzgerald

 http://slideshow.barelyfitz.com/



 This program is free software; you can redistribute it and/or modify

 it under the terms of the GNU General Public License as published by

 the Free Software Foundation; either version 2 of the License, or

 (at your option) any later version.



 This program is distributed in the hope that it will be useful,

 but WITHOUT ANY WARRANTY; without even the implied warranty of

 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 GNU General Public License for more details.



 You should have received a copy of the GNU General Public License

 along with this program; if not, write to the Free Software

 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 *==================================================*/



// There are two objects defined in this file:

// "slide" - contains all the information for a single slide

// "slideshow" - consists of multiple slide objects and runs the slideshow



//==================================================

// slide object

//==================================================

function slide(src,link,text,target,attr) {

  // This is the constructor function for the slide object.

  // It is called automatically when you create a new slide object.

  // For example:

  // s = new slide();



  // Image URL

  this.src = src;



  // Link URL

  this.link = link;



  // Text to display

  this.text = text;



  // Name of the target window ("_blank")

  this.target = target;



  // Custom duration for the slide, in milliseconds.

  // This is an optional parameter.

  // this.timeout = 3000



  // Attributes for the target window:

  // width=n,height=n,resizable=yes or no,scrollbars=yes or no,

  // toolbar=yes or no,location=yes or no,directories=yes or no,

  // status=yes or no,menubar=yes or no,copyhistory=yes or no

  // Example: "width=200,height=300"

  this.attr = attr;



  // Create an image object for the slide

  if (document.images) {

    this.image = new Image();

  }



  // Flag to tell when load() has already been called

  this.loaded = false;



  //--------------------------------------------------

  this.load = function() {

    // This method loads the image for the slide



    if (!document.images) { return; }



    if (!this.loaded) {

      this.image.src = this.src;

      this.loaded = true;

    }

  }



  //--------------------------------------------------

  this.hotlink = function() {

    // This method jumps to the slide's link.

    // If a window was specified for the slide, then it opens a new window.



    var mywindow;



    // If this slide does not have a link, do nothing

    if (!this.link) return;



    // Open the link in a separate window?

    if (this.target) {



      // If window attributes are specified,

      // use them to open the new window

      if (this.attr) {

        mywindow = window.open(this.link, this.target, this.attr);

  

      } else {

        // If window attributes are not specified, do not use them

        // (this will copy the attributes from the originating window)

        mywindow = window.open(this.link, this.target);

      }



      // Pop the window to the front

      if (mywindow && mywindow.focus) mywindow.focus();



    } else {

      // Open the link in the current window

      location.href = this.link;

    }

  }

}



//==================================================

// slideshow object

//==================================================

function slideshow( slideshowname ) {

  // This is the constructor function for the slideshow object.

  // It is called automatically when you create a new object.

  // For example:

  // ss = new slideshow("ss");



  // Name of this object

  // (required if you want your slideshow to auto-play)

  // For example, "SLIDES1"

  this.name = slideshowname;



  // When we reach the last slide, should we loop around to start the

  // slideshow again?

  this.repeat = true;



  // Number of images to pre-fetch.

  // -1 = preload all images.

  //  0 = load each image is it is used.

  //  n = pre-fetch n images ahead of the current image.

  // I recommend preloading all images unless you have large

  // images, or a large amount of images.

  this.prefetch = -1;



  // IMAGE element on your HTML page.

  // For example, document.images.SLIDES1IMG

  this.image;



  // ID of a DIV element on your HTML page that will contain the text.

  // For example, "slides2text"

  // Note: after you set this variable, you should call

  // the update() method to update the slideshow display.

  this.textid;



  // TEXTAREA element on your HTML page.

  // For example, document.SLIDES1FORM.SLIDES1TEXT

  // This is a depracated method for displaying the text,

  // but you might want to supply it for older browsers.

  this.textarea;



  // Milliseconds to pause between slides.

  // Individual slides can override this.

  this.timeout = 8000;



  // Hook functions to be called before and after updating the slide

  // this.pre_update_hook = function() { }

  // this.post_update_hook = function() { }



  // These are private variables

  this.slides = new Array();

  this.current = 0;

  this.timeoutid = 0;



  //--------------------------------------------------

  // Public methods

  //--------------------------------------------------

  this.add_slide = function(slide) {

    // Add a slide to the slideshow.

    // For example:

    // SLIDES1.add_slide(new slide("s1.jpg", "link.html"))

  

    var i = this.slides.length;

  

    // Prefetch the slide image if necessary

    if (this.prefetch == -1) {

      slide.load();

    }



    this.slides[i] = slide;

  }



  //--------------------------------------------------

  this.play = function(timeout) {

    // This method implements the automatically running slideshow.

    // If you specify the "timeout" argument, then a new default

    // timeout will be set for the slideshow.

  

    // Make sure we're not already playing

    this.pause();

  

    // If the timeout argument was specified (optional)

    // then make it the new default

    if (timeout) {

      this.timeout = timeout;

    }

  

    // If the current slide has a custom timeout, use it;

    // otherwise use the default timeout

    if (typeof this.slides[ this.current ].timeout != 'undefined') {

      timeout = this.slides[ this.current ].timeout;

    } else {

      timeout = this.timeout;

    }



    // After the timeout, call this.loop()

    this.timeoutid = setTimeout( this.name + ".loop()", timeout);

  }



  //--------------------------------------------------

  this.pause = function() {

    // This method stops the slideshow if it is automatically running.

  

    if (this.timeoutid != 0) {



      clearTimeout(this.timeoutid);

      this.timeoutid = 0;



    }

  }



  //--------------------------------------------------

  this.update = function() {

    // This method updates the slideshow image on the page



    // Make sure the slideshow has been initialized correctly

    if (! this.valid_image()) { return; }

  

    // Call the pre-update hook function if one was specified

    if (typeof this.pre_update_hook == 'function') {

      this.pre_update_hook();

    }



    // Convenience variable for the current slide

    var slide = this.slides[ this.current ];



    // Determine if the browser supports filters

    var dofilter = false;

    if (this.image &&

        typeof this.image.filters != 'undefined' &&

        typeof this.image.filters[0] != 'undefined') {



      dofilter = true;



    }



    // Load the slide image if necessary

    slide.load();

  

    // Apply the filters for the image transition

    if (dofilter) {



      // If the user has specified a custom filter for this slide,

      // then set it now

      if (slide.filter &&

          this.image.style &&

          this.image.style.filter) {



        this.image.style.filter = slide.filter;



      }

      this.image.filters[0].Apply();

    }



    // Update the image.

    this.image.src = slide.image.src;



    // Play the image transition filters

    if (dofilter) {

      this.image.filters[0].Play();

    }



    // Update the text

    this.display_text();



    // Call the post-update hook function if one was specified

    if (typeof this.post_update_hook == 'function') {

      this.post_update_hook();

    }



    // Do we need to pre-fetch images?

    if (this.prefetch > 0) {



      var next, prev, count;



      // Pre-fetch the next slide image(s)

      next = this.current;

      prev = this.current;

      count = 0;

      do {



        // Get the next and previous slide number

        // Loop past the ends of the slideshow if necessary

        if (++next >= this.slides.length) next = 0;

        if (--prev < 0) prev = this.slides.length - 1;



        // Preload the slide image

        this.slides[next].load();

        this.slides[prev].load();



        // Keep going until we have fetched

        // the designated number of slides



      } while (++count < this.prefetch);

    }

  }



  //--------------------------------------------------

  this.goto_slide = function(n) {

    // This method jumpts to the slide number you specify.

    // If you use slide number -1, then it jumps to the last slide.

    // You can use this to make links that go to a specific slide,

    // or to go to the beginning or end of the slideshow.

    // Examples:

    // onClick="myslides.goto_slide(0)"

    // onClick="myslides.goto_slide(-1)"

    // onClick="myslides.goto_slide(5)"

  

    if (n == -1) {

      n = this.slides.length - 1;

    }

  

    if (n < this.slides.length && n >= 0) {

      this.current = n;

    }

  

    this.update();

  }





  //--------------------------------------------------

  this.goto_random_slide = function(include_current) {

    // Picks a random slide (other than the current slide) and

    // displays it.

    // If the include_current parameter is true,

    // then 

    // See also: shuffle()



    var i;



    // Make sure there is more than one slide

    if (this.slides.length > 1) {



      // Generate a random slide number,

      // but make sure it is not the current slide

      do {

        i = Math.floor(Math.random()*this.slides.length);

      } while (i == this.current);

 

      // Display the slide

      this.goto_slide(i);

    }

  }





  //--------------------------------------------------

  this.next = function() {

    // This method advances to the next slide.



    // Increment the image number

    if (this.current < this.slides.length - 1) {

      this.current++;

    } else if (this.repeat) {

      this.current = 0;

    }



    this.update();

  }





  //--------------------------------------------------

  this.previous = function() {

    // This method goes to the previous slide.

  

    // Decrement the image number

    if (this.current > 0) {

      this.current--;

    } else if (this.repeat) {

      this.current = this.slides.length - 1;

    }

  

    this.update();

  }





  //--------------------------------------------------

  this.shuffle = function() {

    // This method randomly shuffles the order of the slides.



    var i, i2, slides_copy, slides_randomized;



    // Create a copy of the array containing the slides

    // in sequential order

    slides_copy = new Array();

    for (i = 0; i < this.slides.length; i++) {

      slides_copy[i] = this.slides[i];

    }



    // Create a new array to contain the slides in random order

    slides_randomized = new Array();



    // To populate the new array of slides in random order,

    // loop through the existing slides, picking a random

    // slide, removing it from the ordered list and adding it to

    // the random list.



    do {



      // Pick a random slide from those that remain

      i = Math.floor(Math.random()*slides_copy.length);



      // Add the slide to the end of the randomized array

      slides_randomized[ slides_randomized.length ] =

        slides_copy[i];



      // Remove the slide from the sequential array,

      // so it cannot be chosen again

      for (i2 = i + 1; i2 < slides_copy.length; i2++) {

        slides_copy[i2 - 1] = slides_copy[i2];

      }

      slides_copy.length--;



      // Keep going until we have removed all the slides



    } while (slides_copy.length);



    // Now set the slides to the randomized array

    this.slides = slides_randomized;

  }





  //--------------------------------------------------

  this.get_text = function() {

    // This method returns the text of the current slide

  

    return(this.slides[ this.current ].text);

  }





  //--------------------------------------------------

  this.get_all_text = function(before_slide, after_slide) {

    // Return the text for all of the slides.

    // For the text of each slide, add "before_slide" in front of the

    // text, and "after_slide" after the text.

    // For example:

    // document.write("<ul>");

    // document.write(s.get_all_text("<li>","\n"));

    // document.write("<\/ul>");

  

    all_text = "";

  

    // Loop through all the slides in the slideshow

    for (i=0; i < this.slides.length; i++) {

  

      slide = this.slides[i];

    

      if (slide.text) {

        all_text += before_slide + slide.text + after_slide;

      }

  

    }

  

    return(all_text);

  }





  //--------------------------------------------------

  this.display_text = function(text) {

    // Display the text for the current slide

  

    // If the "text" arg was not supplied (usually it isn't),

    // get the text from the slideshow

    if (!text) {

      text = this.slides[ this.current ].text;

    }

  

    // If a textarea has been specified,

    // then change the text displayed in it

    if (this.textarea && typeof this.textarea.value != 'undefined') {

      this.textarea.value = text;

    }



    // If a text id has been specified,

    // then change the contents of the HTML element

    if (this.textid) {



      r = this.getElementById(this.textid);

      if (!r) { return false; }

      if (typeof r.innerHTML == 'undefined') { return false; }



      // Update the text

      r.innerHTML = text;

    }

  }





  //--------------------------------------------------

  this.hotlink = function() {

    // This method calls the hotlink() method for the current slide.

  

    this.slides[ this.current ].hotlink();

  }





  //--------------------------------------------------

  this.save_position = function(cookiename) {

    // Saves the position of the slideshow in a cookie,

    // so when you return to this page, the position in the slideshow

    // won't be lost.

  

    if (!cookiename) {

      cookiename = this.name + '_slideshow';

    }

  

    document.cookie = cookiename + '=' + this.current;

  }





  //--------------------------------------------------

  this.restore_position = function(cookiename) {

  // If you previously called slideshow_save_position(),

  // returns the slideshow to the previous state.

  

    //Get cookie code by Shelley Powers

  

    if (!cookiename) {

      cookiename = this.name + '_slideshow';

    }

  

    var search = cookiename + "=";

  

    if (document.cookie.length > 0) {

      offset = document.cookie.indexOf(search);

      // if cookie exists

      if (offset != -1) { 

        offset += search.length;

        // set index of beginning of value

        end = document.cookie.indexOf(";", offset);

        // set index of end of cookie value

        if (end == -1) end = document.cookie.length;

        this.current = parseInt(unescape(document.cookie.substring(offset, end)));

        }

     }

  }





  //--------------------------------------------------

  this.noscript = function() {

    // This method is not for use as part of your slideshow,

    // but you can call it to get a plain HTML version of the slideshow

    // images and text.

    // You should copy the HTML and put it within a NOSCRIPT element, to

    // give non-javascript browsers access to your slideshow information.

    // This also ensures that your slideshow text and images are indexed

    // by search engines.

  

    $html = "\n";

  

    // Loop through all the slides in the slideshow

    for (i=0; i < this.slides.length; i++) {

  

      slide = this.slides[i];

  

      $html += '<P>';

  

      if (slide.link) {

        $html += '<a href="' + slide.link + '">';

      }

  

      $html += '<img src="' + slide.src + '" ALT="slideshow image">';

  

      if (slide.link) {

        $html += "<\/a>";

      }

  

      if (slide.text) {

        $html += "<BR>\n" + slide.text;

      }

  

      $html += "<\/P>" + "\n\n";

    }

  

    // Make the HTML browser-safe

    $html = $html.replace(/\&/g, "&amp;" );

    $html = $html.replace(/</g, "&lt;" );

    $html = $html.replace(/>/g, "&gt;" );

  

    return('<pre>' + $html + '</pre>');

  }





  //==================================================

  // Private methods

  //==================================================



  //--------------------------------------------------

  this.loop = function() {

    // This method is for internal use only.

    // This method gets called automatically by a JavaScript timeout.

    // It advances to the next slide, then sets the next timeout.

    // If the next slide image has not completed loading yet,

    // then do not advance to the next slide yet.



    // Make sure the next slide image has finished loading

    if (this.current < this.slides.length - 1) {

      next_slide = this.slides[this.current + 1];

      if (next_slide.image.complete == null || next_slide.image.complete) {

        this.next();

      }

    } else { // we're at the last slide

      this.next();

    }

    

    // Keep playing the slideshow

    this.play( );

  }





  //--------------------------------------------------

  this.valid_image = function() {

    // Returns 1 if a valid image has been set for the slideshow

  

    if (!this.image)

    {

      return false;

    }

    else {

      return true;

    }

  }



  //--------------------------------------------------

  this.getElementById = function(element_id) {

    // This method returns the element corresponding to the id



    if (document.getElementById) {

      return document.getElementById(element_id);

    }

    else if (document.all) {

      return document.all[element_id];

    }

    else if (document.layers) {

      return document.layers[element_id];

    } else {

      return undefined;

    }

  }

  



  //==================================================

  // Deprecated methods

  // I don't recommend the use of the following methods,

  // but they are included for backward compatibility.

  // You can delete them if you don't need them.

  //==================================================



  //--------------------------------------------------

  this.set_image = function(imageobject) {

    // This method is deprecated; you should use

    // the following code instead:

    // s.image = document.images.myimagename;

    // s.update();



    if (!document.images)

      return;

    this.image = imageobject;

  }



  //--------------------------------------------------

  this.set_textarea = function(textareaobject) {

    // This method is deprecated; you should use

    // the following code instead:

    // s.textarea = document.form.textareaname;

    // s.update();



    this.textarea = textareaobject;

    this.display_text();

  }



  //--------------------------------------------------

  this.set_textid = function(textidstr) {

    // This method is deprecated; you should use

    // the following code instead:

    // s.textid = "mytextid";

    // s.update();



    this.textid = textidstr;

    this.display_text();

  }

}


