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; 
}
newWin = window.open(strURL, 'popup', strOptions); 
newWin.focus();

}