function validaCon(){
	if(!document.getElementById('nome').value){
		alert('Informe seu nome!');
		document.getElementById('nome').focus();
		return false;
	}
	if(!document.getElementById('email').value){
		alert('Informe seu e-mail!');
		document.getElementById('email').focus();
		return false;
	}
	if(!document.getElementById('rec').value){
		alert('Informe seu recado!');
		document.getElementById('rec').focus();
		return false;
	}
}
function abrepopup(arquivo, janela, largura, altura)
{
abrejanela= window.open (arquivo, janela,
    "location=1,status=1,scrollbars=1,menubar=0,resizable=0,width="+largura+",height="+altura);
abrejanela.moveTo(50,50);
}
function MM_showHideLayers() { //v9.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  //alert (args.length);
  for (i=0; i<(args.length-2); i+=3) 
  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) { v=args[i+2];
	//alert (z);
    if (obj.style) { 
		obj=obj.style;
	}
    obj.display=v;
	}
}

function teste(){
	var arrayPageSize   = getPageSize();
	var arrayPageScroll = getPageScroll();
	document.getElementById('tampa').style.height  = pageHeight+'px';
	document.getElementById('tampa').style.display ='block';
	document.getElementById('popup').style.display ='block';
	//alert (pageHeight);	
}
function getPageScroll(){
	var yScroll;
	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){  // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
	}
	arrayPageScroll = new Array('',yScroll) 
	return arrayPageScroll;
}
function getPageSize(){
	var xScroll, yScroll;
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}

	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}