/*
	Autor: Rafael Y. Koga
	Data: 28/07/2005 
	Descricão: Arquivo que contém funções base as quais são utilizadas em todo o projeto

*/


function showHide(obj,action) { //v1.0
var obj,action; 
if ((obj=MM_findObj(obj))!=null) { 
	obj.style.display = action;
 } 
}
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);

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

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_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

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_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];}
}

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];}}
}

/* Função que proibe ver source via botao direito do mouse*/
function ObjParaCopia(id, msg)
{
	this.id = id;
	this.msg = msg;
	this.Ativar = function() {
		if(document.layers) document.captureEvents(Event.Click);
		document.onmousedown = new Function('e', '{' + this.id + '.Botao(e,"' + this.id + '"); }');
	}
	this.Botao = function(e) {
		var b = document.all ? window.event.button : e.which;
		if(b > 1) {
			alert(this.msg);
			return false;
		}
		return true;
	}
	this.Ativar();
}

//Trava o form após o submit
function TornaReadOnly(frmRef) 
{
	for(var i=0; i < frmRef.elements.length; i++) {
		var el = frmRef.elements[i];
		var tagName = el.tagName.toLowerCase();

		switch(tagName) 
		{
			case "select":
				el.disabled = true;
				break;
			case "textarea":
				el.readOnly = true;
				break;
			
			case "input":
				var tipo = el.type.toLowerCase();
				if(tipo == "checkbox" || tipo == "radio")
					el.disabled = true;
				else
					el.readOnly = true;
				break;
		
		}		
	}
}

function ObtemRadioSelecionado(obj) {
	if(obj) {
		var objeto = obj;
		if(obj.length) objeto = obj.item(0);
		if(objeto.tagName=='INPUT' && objeto.type == 'radio') {
			var colecaoObj = objeto.form.elements[objeto.name];
			colecaoObj = (colecaoObj.length)?colecaoObj:new Array(colecaoObj);
			for(var i=0; i < colecaoObj.length; i++) {
					if(colecaoObj[i].checked)
						return colecaoObj[i];
			}
		}
	}
	return null;
}

function SelecionaTodos(evt, campo) {
	if(!campo) return;
	var Target = (evt.target)?(evt.target):evt.srcElement,
		aCampos = (campo.length)?campo:Array(campo);
	for(var i=0;i < aCampos.length; i++)
		if(aCampos[i].checked != Target.checked)
			aCampos[i].click();
}
function Voltar() {
	window.history.back();
}

function Go(url)
{
	window.location.href = url;
}

function GoUrl(url)
{
	window.opener.location.href = url;
	window.close();
}

var oWindow;
function PopPlayer(proid)
{
	var intWidth = "530"; 
	var intHeight = "260"; 
	var intLeft = (screen.availWidth - intWidth)/2; 
	var intTop = (screen.availHeight - intHeight)/2; 
	var strWin = "titlebar=no,resizeable=no,status=no,menubar=no,location=no,directories=no,dependent=yes"; 
	strWin = strWin + ",height=" + intHeight + ",width=" + intWidth + ",left=" + intLeft + ",top=" + intTop; 
	oWindow = window.open("Player.aspx?track=" + proid ,"myWin",strWin); 
}


function TornaReadOnly(frmRef) {
	
	for(var i=0; i < frmRef.elements.length; i++) {
		var el = frmRef.elements[i];
		var tagName = el.tagName.toLowerCase();

		switch(tagName) 
		{
			case "select":
				el.disabled = true;
				break;
			case "textarea":
				el.readOnly = true;
				break;
			
			case "input":
				var tipo = el.type.toLowerCase();
				if(tipo == "checkbox" || tipo == "radio")
					el.disabled = true;
				else
					el.readOnly = true;
				break;
		
		}		
	}
}
function CheckAll()
{
	var quant = document.getElementById('itensQuant');
	var chooseId = document.getElementById('check_master');
	if (chooseId.checked == false)
	{
		for (i=0; i<quant.value; i++)
		{
			check = "check_"+i;	
			chooseId = document.getElementById(check);
			chooseId.checked = false;
		}
	}
	else
	{
		for (i=0; i<quant.value; i++)
		{
			check = "check_"+i;	
			chooseId = document.getElementById(check);
			chooseId.checked = true;
		}
	}
}


function OpenLoginPopup(url)
{
	window.open(url,'popup_l1Tunes','width=400,height=205');
}