function showAreaSchools(aid) {
 	document.getElementById("tdSchools").innerHTML = getAreaHtml("area" + aid + "html");
	}
function getAreaHtml(name) {
 	return eval(name);
	}

function showRegionSchools(rid) {
 	document.getElementById("tdSchools").innerHTML = getRegionHtml("region" + rid + "html");
	}
function getRegionHtml(name) {
 	return eval(name);
	}