//pg = document.URL;
//if(top.location == self.location) {
//	top.location.href = "frame.php?" + pg;
//}

function go(area,x) {
	if(area == "trabalhos") {
		aux1 = area+"_"+x;
		aux2 = "?categ="+x;
	} else {
		aux1 = area;
		aux2 = "";
	}
	parent.topo.location.href = "topo.php?area=" + aux1;
	parent.centro.location.href = area + ".php" + aux2;
}