function showbox(id,tid) {
	hideboxes(3);
	if (document.getElementById) {
		var styleRef = document.getElementById(id).style;
		var tblRef = document.getElementById(tid).style;
	}
	else if (document.all) {
		var styleRef = document.all[id].style;
		var tblRef = document.getElementById(tid).style;
	}
	else if (document.layers) {
		var styleRef = document.layers[id].style;
		var tblRef = document.getElementById(tid).style;
	}
	styleRef.display = "block";
	tblRef.backgroundColor = "#D5EAFE";
}
function hideboxes(count) {
	for (i=0; i<count; i++) {
		newid = eval(i+1);
		tblid = 'tbl'+newid;
		newid = 'box'+newid;

		if (document.getElementById) {
			var styleRef = document.getElementById(newid).style;
			var tblRef = document.getElementById(tblid).style;
		}
		else if (document.all) {
			var styleRef = document.all[newid].style;
			var tblRef = document.all[tblid].style;
		}
		else if (document.layers) {
			var styleRef = document.layers[newid].style;
			var tblRef = document.layers[tblid].style;
		}
		styleRef.display = "";
		tblRef.backgroundColor = "EAF4FE";
	}
}