function popWindow(sURL, iWidth, iHeight, bDialog, sWindowName)
{	
	var sParams;	
	if (bDialog)
	{		
		sParams = "center: yes; scrollbars: yes; resizable: yes; status: yes; dialogWidth: " + iWidth + "px; dialogHeight: " + iHeight + "px";
		win = window.showModalDialog(sURL, sWindowName, sParams);			
	}
	else
	{				
		sParams = "status=yes, center= yes, scrollbars= yes, resizable= yes, Width= " + iWidth + "px, Height= " + iHeight + "px";
		win = window.open(sURL, sWindowName, sParams);	
				
		if (win.opener == null)
        {
	        win.opener = window;
		    win.opener.name = "opener";
		}
	}	
	return win;
}