function abrir(ta,la,ha,sc)
{
	var x,y,scrol
	if(sc=='scroll')
		scrol="yes";
	else
		scrol="no";
	
	x = (screen.height - parseInt(ha))/2;
	y = (screen.width - parseInt(la))/2;

	window.open('',''+ta+'','location=no,status=no,scrollbars='+scrol+',width='+la+',height='+ha+',top='+x+',left='+y+'')
}
function validaFale()
{
	document.frmcontato.submit();
}