function findspecialist()
{
        var zipcode = document.getElementById('fl');
        if (zipcode == null)
        {
          alert("Please enter a valid Post Code (e.g. EC1Y 8SY)");
          return;
        }
        
        if (validateZIP(zipcode.value))
        {
          //alert(zipcode.value);
          form1.submit();
        }
       
}
      
function validateZIP(field) 
{
	//var pattern = /[A-Z]([0-9]|[0-9]{2}|[A-Z][0-9]|[A-Z][0-9]{2}|[0-9][A-Z]|[A-Z][0-9][A-Z]) [0-9][A-Z]{2}|GIR 0AA/;
	//if (!pattern.test(field))
	//{
	//  alert("Please valid British Post Code (e.g. EC1Y 8SY)");
    //      return false;
	//}
        
	return true;
}