var newWin = null; 
function popUp(strURL, strType, strHeight, strWidth) { 

	if (newWin != null && !newWin.closed) newWin.close(); 
	var strOptions=""; 
	if (strType=="console") strOptions="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; 
	if (strType=="fullscreen") strOptions = "fullscreen=1,scrollbars=0,status=0,toolbar=0,resizable=1";
	newWin = window.open(strURL, 'newWin', strOptions); 
	newWin.focus(); 
}