function validate_membership()
  {
   var col=document.getElementsByName("os0");
   var sel=col.item(0);
   var value=sel.options[sel.selectedIndex].value;

   if(value==null || value=="")
   {
    alert("Please select membership type");
    return(false);
   }

   return(true);
  }


  function validate_contact()
  {
   var col=document.myform.whoto;

   for(var i=0;i<col.length;i++)
   {
    var sel=col[i];
    var value=sel.checked;
   	if(value) break;
   }

   if(i>=col.length)
   {
    alert("Please select someone to contact");
    return(false);
   }


   if(document.myform.name.value== "")
   {
    alert("Please enter your name");
    return(false);
   }

   if(document.myform.email.value== "")
   {
    alert("Please enter your email address");
    return(false);
   }

   if(document.myform.subject.value== "")
   {
    alert("Please enter a subject");
    return(false);
   }


   if(document.myform.message.value== "")
   {
    alert("Please enter a message");
    return(false);
   }


   return(true);
  }