function POP_MARGAIRAZ(u) {
	var ll = screen.availWidth - 10;
	var hh = screen.availHeight - 40;	
	main=window.open(u,'main', "top=0,left=0,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width="+ll+",height="+hh, true);
	main.focus();
}