/**
 * Element selector
 */
function $(elementId) {
	if (document.getElementById(elementId)) {
		return document.getElementById(elementId);
	} else {
		return false;
	}
}

/**
 * Chain multiple load events
 */
function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			if (oldonload) {
				oldonload();
			}
			func();
		};
	}
}