function buscaGoogle() {
	var site = document.getElementById("site").value;
	var key = escape(document.getElementById("key").value);
	var w = 752;
	var h = 590;
	var LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	var TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	
	url = "/google/index.php?site="+site+"&key="+key+"";
	settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars=yes,resizable=yes'
	win = window.open(url,"Google",settings);
	
	return false;

}