// JavaScript Document

//this prototype function was taken from section and uses regular expressions to delimit the white space on a string
String.prototype.trim = function() {
	return this.replace(/^\s+|\s+$/g, "");	};
	
function validate_newsletter_form()
{
	var emailRegex = new RegExp("^([a-z0-9._-])+@[a-z0-9.]+\.[a-z]{2,6}$", "i");
	
	with( document.getElementById("searchform")){
		if( Email.value.trim() == "" || Email.value.trim() == "enter email" ){
			return false;
		}else if( !emailRegex.test( Email.value.trim())){
			alert("You did not enter a valid email addess.");
			return false;
		}else
			return true;
	}
}