// JavaScript Document

function Validator(theForm)
{
	var error = ""; 

	if (theForm.first.value == ""){
		error +="  - First name not entered.\n\n";
	} 
	if (theForm.last.value == ""){
		error += "  - Last name not entered.\n\n";
	}
	
	var emailArray;
	if((theForm.email.value.indexOf ('@',0))!=-1){
	  emailArray=theForm.email.value.split("@");
	  if(emailArray.length>2 || emailArray[1].indexOf('.',0)==-1){
	    error += "  - Invalid email address.\n\n";
      }
	}
	else if (theForm.email.value == ""){
		error += "  - No email address has been entered.\n\n";
	}
	else{
	  error+="  - Invalid email address.\n\n";
	}
	
	if (error != ""){
	    error = "STOP!\n\nThe following errors have been found in your form:\n\n" + error;
		error = error + "Please check your form and fix the errors before proceeding."
		alert(error);
		return (false);
	} else {
		return (true);
	} 
}