function DatePicker(fname,rfunction,year,month,form_name){
   var popup;
   var url ="/int/global/calendar.jsp?fname="+fname;
   if(rfunction!=null){
       url+="&rfunction="+rfunction;
   }
   if (year!=null && month!=null) {
       url+="&year="+year+"&month="+month;
       if(form_name!=null){
           url+="&form_name="+form_name;
       }
   }
   popup = window.open(url,"Date","width=201 ,height=143,resizable=no,scrollbars=no,status=no,location=no,titlebar=no,left=100,top=120",false);
}