// JavaScript Document

function validate(my_form){
	var email = my_form.elements["cf_email"];
	var email_filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;

	if(my_form.elements["cf_name"].value.trim() == ""){
		my_form.elements["cf_name"].focus();
		alert("You must enter your name.");
	}
	else if(my_form.elements["cf_email"].value.trim() == ""){
		my_form.elements["cf_email"].focus();
		alert("You must enter your email.");
	}
	else if(!email_filter.test(email.value)) {
		email.focus();
		alert("Please provide a valid email address.");
	}
	else if(my_form.elements["cf_comment"].value.trim() == ""){
		my_form.elements["cf_comment"].focus();
		alert("You must enter a comment.");
	}
	else{
		return true;
	}
	
	return false;
}