<!--
function validate2(frm) 
{
    //
    // Check the Email field to see if any characters were entered
    //
	    //
    if (frm.naam.value.length == 0)
    {
        alert("Fill in your name");
        frm.naam.focus();
        return false;
    }
    //
	    if (frm.telefoon.value.length < 10)
    {
        alert("Fill in your phone number");
        frm.telefoon.focus();
        return false;
    }
    //
    if (frm.email.value.length == 0)
    {
        alert("Fill in a e-mail adress");
        frm.email.focus();
        return false;
    }
    //
	    //
    if (frm.bericht.value.length == 0)
    {
        alert("Fill in your message");
        frm.bericht.focus();
        return false;
    }
    //
    // Now check the Email field for the "@" symbol
    //
    if (frm.email.value.indexOf("@") == -1)
    {
        alert("Fill in a valid e-mail adress");
        frm.email.focus();
        return false;
    }
}
//-->
      <!--
      function isNumberKey(evt)
      {
         var charCode = (evt.which) ? evt.which : event.keyCode
         if (charCode > 31 && (charCode < 48 || charCode > 57))
            return false;

         return true;
      }
      //-->