function Core() {
}

Core.get = function Core_getElementU(e) {
	if (e != null) {
			var el = (document.all) ? document.all[e] : document.getElementById(e);
			return el;
		}
	}


Core.show = function Core_showElement(e,i) {
	if (e != null) {
		var el = Core.get(e);

		if (el != null) {

			if (i != null) {
				el.style.display = "inline";}
			else {
				el.style.display = "block";
			}

			}
		}
	}

Core.hide = function Core_showElement(e) {
	if (e != null) {
		var el = Core.get(e);

		if (el != null) {
				el.style.display = "none";
			}
		}
	}

Core.toggle = function (e) {
	if (e != null) {
		var el = Core.get(e);

		if (el != null) {
			if (el.style.display == "none") {
				Core.show(e);
			} else {
				Core.hide(e);
			}
		}
	}
}

Core.validateEmail = function Core_validateEmail(email) {
	var emailfilter = /^\w+([\+\.-]*\w+)*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,6}|\d+)$/i;
	return emailfilter.test(email);
}