// JavaScript Document
	function validateContactform(form) {
		if (form.name.value.length==0 ){
        alert('Please enter your name.');
		form.name.focus();
        return (false);
      }

  if (form.tel.value.length==0){
        alert('Please enter a telephone number.');
	    form.tel.focus();
        return (false);
      }
      
	  var tel_test = form.tel.value.replace(' ','');
      if (isNaN(tel_test)) {
      alert('Please use numbers only for your phone number.');
	  form.tel.focus();
      return (false);
       }
 
 
 if (form.email.value.length==0){
        alert('Please enter your email.');
		form.email.focus();
        return (false);
      }
	  
      var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
      var address = form.email.value;
      if(reg.test(address) == false) {
      alert('The email address entered does not appear to be valid.');
	  form.email.focus();
      return false;
   }	   

}