// JavaScript Document

String.prototype.trim = function() { return this.replace(/(^\s*)|(\s*$)/g, ""); }

function addEvent(obj, evType, fn){
	var w3DOM = obj.addEventListener;
	var ieDOM = obj.attachEvent;
	
	if(w3DOM) obj.addEventListener(evType, fn, true);
	if(ieDOM) obj.attachEvent("on"+evType, fn);
}

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 loadImages()
{
	// Coloque aqui todas as imagens a serem carregadas
	var images	= new Array('../imagens/menu/sist_ensino_b.jpg','../imagens/menu/periodicos_b.jpg','../imagens/menu/avaliacao_b.jpg','../imagens/menu/parceiros_b.jpg','../imagens/menu/duvidas_b.jpg','../imagens/menu/contato_b.jpg','../imagens/submenu/ensino_fundamental_b.gif','../imagens/submenu/ensino_medio_b.gif','../imagens/submenu/vestibular_b.gif','../imagens/submenu/vantagens_b.gif','../imagens/submenu/cadastre_b.jpg');
	for(i=0;i<images.length;i++)
		MM_preloadImages(images[i]);
}

function validaCadastro(f)
{
	for(i=0;i<f.elements.length;i++)
	{
		e	= f.elements[i];
		if(e.type == "text" && e.value.trim() == "")
		{
			alert("Atenção! Todos os campos são de preenchimento obrigatório!");
			e.focus();
			return false;
		}
	}
	return true;
}

function abreLinkCabeca(objSrc)
{
	if(objSrc.value)	document.location = objSrc.value;
}

addEvent(window,"load",loadImages);