function Init() {


	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;
	}

	var aElements = getElementsByClass("code-header", document.getElementById("content"), "div");
	for(var i=0; i<aElements.length; i++) {
	 	aElements[i].onclick = function() {
			var className = this.parentNode.className;
			if(className == "code-hide") {
				this.parentNode.className = "code-show";
			} else {
				this.parentNode.className = "code-hide";
			}
		}
	}

}