// JavaScript Document

function exibeVlCp(comp,cp,txt){
	//var cp=campo;
	switch(comp){
		//Comportamento Focus
		case 1:
		if(cp.value.length==0 || cp.value==txt) cp.value=''; 
			break;
		//Comportamento Blur
		case 2:
		if(cp.value.length==0) cp.value=txt;				
			break;
		}
		return true;
}

/**** Função para escureceer o fundo ****/
function download(down){
	
	var divCinza = document.getElementById('cinza').style;
	divCinza.display = 'block';
	divCinza.width = screen.availWidth+"px";
	divCinza.height = screen.availHeight+"px";
	
	var html = document.getElementsByTagName("html");
	html[0].style.overflow = "hidden";
	
	if(down == 1){
		var divBox1 = document.getElementById('boxDownload').style;
		var divBox2 = document.getElementById('boxUp').style;
		divBox1.display = 'block';
		divBox2.display = 'none';
	}
	if(down == 2){
		var divBox2 = document.getElementById('boxUp').style;
		var divBox1 = document.getElementById('boxDownload').style;
		divBox2.display = 'block';
		divBox1.display = 'none';
	}
}