var newWin = null;

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