function popUpWin(url, vwidth, vheight, wname)
                {
                		var wstring = "width=" + vwidth;
                		var hstring = "height=" + vheight;
                
						
						var winParams = wstring + "," + hstring + ",toolbar=0,resizable=0,scrollbars=1,location=0,status=0"
                		
                        var popupWin =window.open(url, wname, winParams )
                        if (!document.all && window.focus) popupWin.focus(); 
                }