function checkFields() {

	if (document.form.first_name.value == "") {
			alert("Please provide your First Name.");
			document.form.first_name.focus();
			return false;
			}
			
	if (document.form.last_name.value == "") {
			alert("Please provide your Last Name.");
			document.form.first_name.focus();
			return false;
			}

	 if (document.form.company.value == "") {
			alert("Please provide your company name.");
			document.form.company.focus();
			return false;
			}

	 if (document.form.country.value == "Please Select (U)") {
			alert("Please tell us what country you are from.");
			document.form.country.focus();
			return false;
			}

         if (document.form.email.value == "") {
                        alert("Please provide your email address");
                        document.form.email.focus();
                        return false;
           } else {
                        var regexp = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;
      if (!regexp.test(document.form.email.value)) {
         alert("The email address you entered is invalid.\nPlease enter an email address of the form\nYOUREMAIL@DOMAIN.XXX");
         document.form.email.focus();
         return false;
      }
   }
			
if (document.form.phone.value == "") {
      alert("Please provide your phone number.");
      document.form.phone.focus();
      return false;
   	} 
   
return true;
	
			
	}