function el(elementID) {
	return document.getElementById(elementID);
}

function emailField() {
	
	var e = el("email");
}

var isbe = function () {
	
	return {
		
		addLoadEvent : function (loadFunc) {
			var currentOnLoad = window.onload;
			
			if (typeof window.onload != 'function') {
				window.onload = loadFunc;
			} else {
				window.onload = function() {
					currentOnLoad();
					loadFunc();
				} 
			}
		}
	};
	
}();

isbe.addLoadEvent(function() { emailField(); });