function ValidatePaymentTerm(id1,id2,id3,lblID)
     {
     
     if((document .getElementById (id1).checked == false) && (document .getElementById (id2).checked == false) && (document .getElementById (id3).checked == false)  )
       {
           document .getElementById (lblID).visible=true ;
           document.getElementById(lblID).innerHTML = "Please select any payment term";
           
           document.getElementById(lblID).focus();
           return false;
           
           //alert ("Please select any payment term");
       }
       else
       {
           document .getElementById (lblID).visible=false ;
           document .getElementById (lblID).innerHTML = "";
           
       
       }
        
     }