var myMenu;
	window.onload = function() {
		myMenu = new SDMenu("my_menu");
		myMenu.init();
		
	};
	
	function SDMenu(id) {
	this.menu = document.getElementById(id);
}

SDMenu.prototype.init = function() {
var links = this.menu.getElementsByTagName("a");
		for (var i = 0; i < links.length; i++){
		if (links[i].href == document.location.href && links[i].className == "nav" ) {
            links[i].className = "nav_current";
	        links[i].parentNode.nextSibling.className= "not_collapsed";
             break;
			}
		 if (links[i].href == document.location.href && links[i].className == "subnav") {
		  	 links[i].parentNode.className = "not_collapsed";
			 links[i].parentNode.previousSibling.firstChild.className = "nav_current";
             links[i].className = "subnav_current";
			 break;
			}
		}
	}