function open_win() {  
popup=window.open("_http://www.pleasantholidays.com/PleasantHolidaysWeb/Partne
rLinkCmd.do?Partner_PartnerOID=partnerCode__.__62794__..__webSerialNumber__.__
2734","res_mainwindow","width=775,height=550,toolbar=0,location=0,directories=
0,status=1,menubar=1,scrollbars=1,resizable=1_ 
(http://www.pleasantholidays.com/PleasantHolidaysWeb/PartnerLinkCmd.do?Partner_PartnerOID=partnerCode__.__627
94__..__webSerialNumber__.__2734","res_mainwindow","width=775,height=550,toolb
ar=0,location=0,directories=0,status=1,menubar=1,scrollbars=1,resizable=1) 
");  
}