// JavaScript Document

/**
 * Painel rotativo
 */
 
 var d=document;
$ = function(id) {
	if(!arguments[1]) return document.getElementById(id);
	else document.getElementById(id).style[arguments[1]]=arguments[2];
}

function delItem(arr,item){
	for(;item<arr.length;item++) arr[item]=arr[item + 1];
	arr.length=arr.length-1;
} 

function goURL(){
	(Item[atual][3].indexOf('_blank')!=-1) ? window.open(Item[atual][3].substring(0,Item[atual][3].indexOf(' '))) : location.href=Item[atual][3];
} 

function startSlide(){ 
	loadImages();
	if(!paused) timeoutId=setTimeout('changeImg(1)',8000);
} 

function initialize(){
	timeoutId=0;
	textareaContent=d.form_cr.select_cr.value.split(/[\r\n]/i);
	
	Item = new Array();
	for(x=0,y=0;x<textareaContent.length;x++){ 
		if(textareaContent[x].length>30) Item[y++]=textareaContent[x].split('|');
	}
	for(i=Item.length-1;i>=0;i--){
		Item[i][0]=Item[i][0].replace(/([ \n\t\r])+/, " ");
		Item[i][4]=(Item[i][4].length<3) ? '' : '<img src="'+Item[i][4]+'" border="0" style="margin-left:4px;" />';
		if(Item[i][1].length<3||Item[i][3].length<3||Item[i][2].length<3||Item[i][0].length<2) delItem(Item,i);
	}
	
	if(Item.length==1) d.write('<style>#anterior,#proximo,#pause{visibility:hidden;}</style>');
	atual = Math.random().toString().substring(2,6) % Item.length;
} 

function startPanel(){
	usaCredito = '';
	initialize();
	if(arguments.length>0){
		if(!isNaN(arguments[0])) atual = arguments[0];
	}
	
	if(paused) {imgpause='on'; altpause='alt="Ligar" title="Ligar"';}
	else {imgpause='off'; altpause='alt="Parar" title="Parar"';}
	
	d.write('<div id="to-blend">'+usaCredito+'<a href="javascript:goURL();"><img src="'+Item[atual][1]+'" id="imgslide" name="img1" border="0" title="'+Item[atual][0]+'" alt="'+Item[atual][0]+'"></a>');
	d.write('<h2><a href="javascript:goURL();" id="p-link"><span id="txt1">'+Item[atual][2]+'</span><span id="icon-area">'+Item[atual][4]+'</span></a></h2></div>');
	d.write('<div id="prox-ant"><a href="javascript:void(0)" id="anterior" onclick="if(okToGo)changeImg(-1)"><img src="Scripts/painel/img/anterior.gif" border="0" /></a><img src="Scripts/painel/img/pause.gif" onclick="pauseSlide()" id="pause" '+altpause+' />');
	d.write('<a href="javascript:void(0)" id="proximo" onclick="if(okToGo)changeImg(1)"><img src="Scripts/painel/img/proximo.gif" border="0" /></a></div>');
} 

function pauseSlide(){
	if(paused){
		$('pause').src='Scripts/painel/img/pause.gif';
		$('pause').title='Parar'; $('pause').alt = 'Parar';
		d.cookie="painelIDALEMpause=0;domain=.idalem.com;expires=Thu, 2 Aug 1970 20:47:11 UTC;"; 		
		paused=false;
		startSlide();
	} else{
		clearTimeout(timeoutId);
		d.cookie="painelIDALEMpause=1;domain=.idalem.com;expires=Thu, 2 Aug 2222 20:47:11 UTC;"; 	
		$('pause').src='Scripts/painel/img/pause1.gif';
		$('pause').title='Ligar'; $('pause').alt = 'Ligar';
		paused = true;
	} 
}

var okToGo=false;
var paused=(d.cookie.indexOf('painelIDALEMpause=1')!=-1) ? true : false;
onload=startSlide;


// painel rotativo //
function changeOpac(opacity){
	var obj = $('to-blend').style;
	obj.opacity=(opacity/101);
	obj.MozOpacity=(opacity/101);
	obj.KhtmlOpacity=(opacity/101);
} 

function blend(imagefile){
	var speed=7;
	var timer=0;
	for(i=100;i>0;i-=2) setTimeout('changeOpac('+i+')', timer++ * speed);
	setTimeout('changeContent()', timer * speed);
	for(i=0;i<=100;i+=2) setTimeout('changeOpac('+i+')', timer++ * speed);
} 

function changeImg(id){
	clearTimeout(timeoutId);
	atual+=parseInt(id);
	if(atual>Item.length-1) atual=0;
	if(atual<0) atual=Item.length-1;
	if(imgDsp[atual].complete==false){
		atual--;
		timeoutId = setTimeout('changeImg('+id+')',500);
		return;
	} 
	
	if(d.all && navigator.userAgent.indexOf('Opera')==-1){
		try {
			oDiv = $('to-blend');
			oDiv.style.filter="blendTrans(duration=0.7)";
			oDiv.filters.blendTrans.apply();
			oDiv.filters.blendTrans.play();
            changeContent();
			} 
			catch(e) { changeContent(); }
		} else { 
			blend(); 
		}
	if(!paused) timeoutId=setTimeout('changeImg(1)',8000);
} 
							
function loadImages(){
	imgDsp = new Array();
	for(n=0;n<Item.length;n++){
		imgDsp[n]=new Image();
		imgDsp[n].src=Item[n][1];
	}
	okToGo = true;
} 
							
function changeContent(){
	d.img1.src=imgDsp[atual].src;
	d.img1.alt=d.img1.title=Item[atual][0];
	$('txt1').innerHTML=Item[atual][2];
	if(usaCredito!='') $('credito').innerHTML=Item[atual][0];
	$('icon-area').innerHTML=Item[atual][4];
}