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)',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 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></a></h2></div>');
    d.write('<div id="control">');
    d.write('<div id="ant"><a href="javascript:void(0)" id="anterior" onclick="if(okToGo)changeImg(-1)"><img src="../site/images/anterior.gif" border="0" /></a></div>');
    d.write('<div id="pause"><img src="../site/images/pause.gif" onclick="pauseSlide()" id="pause" '+altpause+' /></div>');
    d.write('<div id="prox"><a href="javascript:void(0)" id="proximo" onclick="if(okToGo)changeImg(1)"><img src="../site/images/proximo.gif" border="0" /></a></div>');
    d.write('</div>');
}

function pauseSlide(){
    if(paused){
            $('pause').src='../site/images/pause.gif';
            $('pause').title='Parar'; $('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;";
            $('pause').src='../site/images/pause1.gif';
            $('pause').title='Ligar'; $('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 = $('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)',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];
    $('txt1').innerHTML=Item[atual][2];
    if(usaCredito!='')
        $('credito').innerHTML=Item[atual][0];
        //$('icon-area').innerHTML=Item[atual][4];
}