/*function popup(url, altura, largura)
{
	window.open( url, 'win02','toolbar=no,scrollbars=yes,menu=no,status=no,width=' + largura + ',height=' + altura + ',resize=no'); 
}*/
function popup(url, altura, largura)
{
	if (document.all)
	var xMax = screen.width, yMax = screen.height;
	else
	if (document.layers)
	var xMax = window.outerWidth, yMax = window.outerHeight;
	else
	var xMax = largura, yMax=altura;
	var xOffset = (xMax - 810)/2, yOffset = (yMax - 410)/2;
	window.open( url,'windowbis','width='+altura+',height='+largura+',screenX='+xOffset+',screenY='+yOffset+',top='+yOffset+',left='+xOffset+',scrollbars=no'); 
}
function carregando()
{
	msg = document.getElementById("carregando");
	document.body.removeChild(msg);
}