// JavaScript Document
// JavaScript Document

var d=document;
$p = 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)',6000);
} 
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 class= "noticia_imagem" id="to-blend">');
	d.write('<div id="box_img_noticia"><div class="mascara"></div><div id="to-blend">');
	d.write(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></div></div></div>');
	
	//Inicio navegação
	d.write('<div class="noticia_foto_texto">');
	
	d.write('<div class="esq_rot_noticia" id="prox-ant"><a href="javascript:void(0)" id="anterior" onclick="if(okToGo)changeImg(-1)"><img src="imagens/spacer.gif" width="28" height="74px" border="0" /></a></div>');
	
	//<img src="imagens/pause.gif" onclick="pauseSlide()" id="pause" '+altpause+' />'
	
	d.write('<div class="cen_rot_noticia"><a href="javascript:goURL()" id="p-link"><span id="txt1">'+Item[atual][2]+'</span><span id="icon-area">'+Item[atual][4]+'</span></a></div>');
	
	d.write('<div class="dir_rot_noticia"><a href="javascript:void(0)" id="proximo" onclick="if(okToGo)changeImg(1)"><img src="imagens/spacer.gif" width="28" height="74px" border="0" /></a></div>');
	
	d.write('</div>');
	//Fim Navegação
} 
function pauseSlide()
{
	if(paused)
	{
		$p('pause').src='imagens/pause.gif';
		$p('pause').title='Parar'; 
		$p('pause').alt = 'Parar';
		d.cookie="homeUOLpause=0;domain=.uol.com.br;expires=Thu, 2 Aug 1970 20:47:11 UTC;"; 		
		paused=false;
		startSlide();
	}
	else
	{
		clearTimeout(timeoutId);
		d.cookie="homeUOLpause=1;domain=.uol.com.br;expires=Thu, 2 Aug 2222 20:47:11 UTC;"; 	
		$p('pause').src='imagens/pause1.gif';
		$p('pause').title='Ligar'; $p('pause').alt = 'Ligar';
		paused = true;
	} 
}

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


// painel rotativo //
function changeOpac(opacity)
{
	var obj = $p('to-blend').style;
	obj.opacity=(opacity/101);
	obj.filter= "alpha("+(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 = $p('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)',6000);
} 
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];
	$p('txt1').innerHTML=Item[atual][2];
	if(usaCredito!='') 
		$p('credito').innerHTML=Item[atual][0];
	$p('icon-area').innerHTML=Item[atual][4];
}