/**
 * @author Administrator
 */
function $() {
	var elements = new Array();
	for (var i = 0; i < arguments.length; i++) {
		var element = arguments[i];
		if (typeof element == 'string')
			element = document.getElementById(element);
		if (arguments.length == 1)
			return element;
		elements.push(element);
	}
	return elements;
}
function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	}
	else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}
function appendNode(node, parent) {        
	$(parent).appendChild($(node));
	$(node).style.display='';
}
function insertdNode(node, parent) {        
	$(parent).insertBefore($(node),$(parent).firstChild);
	$(node).style.display='';
}