var d = document;
var okToGo = false;
var paused = (d.cookie.indexOf('homeAgenciaPause=1')!=-1) ? true : false;

pega = 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(' '))) : AbrirJanelaModal('#', Item[atual][3], 700, 400, Item[atual][2], false);
}

function goAllURL()
{
	(Item[atual][3].indexOf('_blank')!=-1) ? window.open(Item[atual][3].substring(0,Item[atual][3].indexOf(' '))) : location.href = "/publico/multimidias.aspx?tipo=video";
}

function loadImages()
{
	imgDsp = new Array();
	for(n=0;n<Item.length;n++){
		imgDsp[n]=new Image();
		imgDsp[n].src=Item[n][1];
	}
	if(imgDsp.length == 1)
		paused = true;
	okToGo = true;
}

function startSlide()
{
	loadImages();
	if(!paused) timeoutId=setTimeout('changeImg(1)',6000);
}

function initialize()
{
	timeoutId=0;
	textareaContent = document.getElementById("ctl00_ucEsquerda_txtVideosSlide").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" title="'+Item[atual][0]+'" alt="'+Item[atual][0]+'" /></a></div>');

	d.write('<div style="width:143px;height:14px;margin:8px 0 0 0;">');
	d.write('<a href="javascript:void(0);" onclick="if(okToGo)changeImg(-1);return false;"><img src="/imagem/painel/anterior.gif" style="margin-left:-12px;width:55px;height:13px;" alt="Anterior" /></a>');
	d.write('<a href="javascript:void(0);" onclick="pauseSlide();return false;"><img id="pause" src="/imagem/painel/pause.gif" style="margin-left:-10px;width:15px;height:13px;" '+altpause+' /></a>');
	d.write('<a href="javascript:void(0);" onclick="if(okToGo){changeImg(1);}return false;"><img src="/imagem/painel/proximo.gif" style="margin-left:-11px;width:55px;height:13px;" alt="Próximo" /></a>');
	d.write('</div>');

	d.write('<div id="texto"><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><a href="javascript:goAllURL()"><img src="/imagem/painel/todos.gif" alt="Todos os videos" /></a></div>');
	
}

function pauseSlide()
{
	if(paused){
		pega('pause').src='/imagem/painel/pause.gif';
		pega('pause').title='Parar'; pega('pause').alt = 'Parar';
		d.cookie="homeAgenciaPause=0;domain=.agencia.curitiba.pr.gov.br;expires=Thu, 2 Aug 1970 20:47:11 UTC;"; 		
		paused=false;
		startSlide();
	}else{
		clearTimeout(timeoutId);
		d.cookie="homeAgenciaPause=1;domain=.agencia.curitiba.pr.gov.br;expires=Thu, 2 Aug 2222 20:47:11 UTC;"; 	
		pega('pause').src='/imagem/painel/play.gif';
		pega('pause').title='Ligar'; pega('pause').alt = 'Ligar';
		paused = true;
	}
}

function changeOpac(opacity)
{
	var obj = pega('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 = pega('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 changeContent()
{
	d.img1.src=imgDsp[atual].src;
	d.img1.alt=d.img1.title=Item[atual][0];
	pega('txt1').innerHTML=Item[atual][2];
	if(usaCredito!='') pega('credito').innerHTML=Item[atual][0];
	pega('icon-area').innerHTML=Item[atual][4];
}

function IniciarPainelMultimidia()
{
	startPanel(0);
	startSlide();
}