// JavaScript Document

// dollar function
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;
}

// toggler
function toggle(obj) {
	var el = $(obj);
	el.style.display = (el.style.display != 'none' ? 'none' : '' );
}
function tagToggle(id) {
	var tag = document.getElementById(id);
	if(tag.style.display != 'none') tag.style.display = 'none';
	else tag.style.display = 'block';
}
function tagView(id) {
	document.getElementById(id).style.display = 'block';
}
function tagHide(id) {
	document.getElementById(id).style.display = 'none';
}

function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp('(^|\\\\s)'+searchClass+'(\\\\s|$)');
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}

Array.prototype.inArray = function (value) {
	var i;
	for (i=0; i < this.length; i++) {
		if (this[i] === value) {
			return true;
		}
	}
	return false;
};