var theWin;

function openWindow(loc,width,height) {
	var winName='dht-window'+loc;
	var winDetails='left=20,top=20,width='+width+',height='+height+',toolbar=0,resizable=1';
	if (theWin!=null) {theWin.close();}
	theWin=window.open(loc,'dhtwin',winDetails);
	theWin.focus();
}