var horz = null;
var vert = null;

function openWin(theURL,winName,features) {
	if (winName == "horzWin"){
		if (vert && !vert.closed){
			vert.close();
		}
		horz = window.open(theURL,winName,features);
		horz.focus();
	}else{
		if (horz && !horz.closed){
			horz.close();
		}
		vert = window.open(theURL,winName,features);
		vert.focus();
	}
}