var rhWindow = ""
function openRH(URL,rhWidth,rhHeight) {
           if (!window.rhWindow) {
                rhWindow = window.open(URL,null,'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width=' + rhWidth + ',height=' + rhHeight);
                }
                else {
                     if (!rhWindow.closed) {
                        rhWindow.focus();
                        }
                        else {
                             rhWindow = window.open(URL,null,'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width=' + rhWidth + ',height=' + rhHeight);
                             }
                      }
	
}