// JavaScript Document

<!--
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];}}
}
//-->

<!--
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_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_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 getScrollTop() {
	if (self.pageYOffset) // all except Explorer
	{
		return self.pageYOffset;
	}
	else if (document.documentElement && document.documentElement.scrollTop)
		// Explorer 6 Strict
	{
		return document.documentElement.scrollTop;
	}
	else if (document.body) // all other Explorers
	{
		return document.body.scrollTop;
	}
}

function getViewportHeight() {
	if (window.innerHeight!=window.undefined) return window.innerHeight;
	if (document.compatMode=='CSS1Compat') return document.documentElement.clientHeight;
	if (document.body) return document.body.clientHeight; 

	return window.undefined; 
}

function getViewportWidth() {
	var offset = 17;
	var width = null;
	if (window.innerWidth!=window.undefined) return window.innerWidth; 
	if (document.compatMode=='CSS1Compat') return document.documentElement.clientWidth; 
	if (document.body) return document.body.clientWidth; 
}

function focaCampo(objeto) {
	objeto.focus();
}


function alteraCor(objeto) {
	
	corAtual = objeto.style.color;
	fundoAtual = objeto.style.backgroundColor;
	
	objeto.style.color = "#FFFFFF";
	objeto.style.backgroundColor = "#FF0000";
	
	focaCampo(objeto);
	
	setTimeout(function(){						
						objeto.style.color = corAtual;
						objeto.style.backgroundColor = fundoAtual;						
						}, 2000);
	
}

function AjaxRequest() {

	try	{
		// Firefox, Opera 8.0+, Safari
		Ajax=new XMLHttpRequest();
	}

	catch (e)
	{
		// Internet Explorer
		try
		{
		Ajax=new ActiveXObject("Msxml2.XMLHTTP");
		}
	catch (e)
		{
		try
			{
			Ajax=new ActiveXObject("Microsoft.XMLHTTP");
			}
		catch (e)
		{
			alert("Your browser does not support AJAX!");
			return false;
		}
	}
}
}

function randomico() {
	return "?rnd=" + Math.random();
}


function checaMail(mail){
    var er = new RegExp(/^[A-Za-z0-9_\-\.]+@[A-Za-z0-9_\-\.]{2,}\.[A-Za-z0-9]{2,}(\.[A-Za-z0-9])?/);

	if(typeof(mail) == "string"){
		if(er.test(mail)){ 
			return true;
		}
    } else if(typeof(mail) == "object"){
        if(er.test(mail.value)){
			return true;
		}
    } else {
		return false;
    }
}