// JavaScript Document
function validate(){
	var count = 0;
	
	var name = document.form1.name.value;
	var last = document.form1.last.value;
	var phone = document.form1.phone.value;
	var mail = document.form1.mail.value;
	
	var pattern1 = /^[A-Za-z]+$/;
	var pattern2 = /^[\d \-\.]+$/;
	var pattern3 = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	
	if(pattern1.test(name)){
		count++;
	}else{
		alert("Your name has an invalid form. Please correct it and try again.");
	}
	
	if(pattern1.test(last)){
		count++;
	}else{
		alert("Your last name has an invalid form. Please correct it and try again.");
	}
	
	if(pattern2.test(phone)){
		count++;
	}else{
		alert("Your phone has an invalid form. Please correct it and try again.");
	}
	
	if(pattern3.test(mail)){
		count++;
	}else{
		alert("Please enter a valid email...");
	}
	
	if(count == 4){
		return true;
	}

	return false;
}