var newWin = null;
function popUp(strURL, strType, strHeight, strWidth) {
 if (newWin != null && !newWin.closed)
 	newWin.close();
 var strOptions="";
 if (strType=="console")
 	strOptions="toolbar,menubar,scrollbars,resizable,resizeable,height="+strHeight+"width="+strWidth;
 if (strType=="fixed")
 	strOptions="status,height="+strHeight+",width="+strWidth;
 if (strType=="elastic")
 	strOptions="toolbar,menubar,scrollbars,"+"resizeable,location,height="+strHeight+",width="+strWidth;
 newWin = window.open(strURL, 'newWin', strOptions);
 newWin.focus();
 }