function _oLeftMenuInit(){

	if(!document.getElementById){return;}
	if(!document.getElementById("left-menu")){return;}
	
	var sfEls = document.getElementById("left-menu").getElementsByTagName("LI");
	
	for (var i=0; i<sfEls.length; i++) {
		if(sfEls[i].parentNode.id == "left-menu"){
	
			if(sfEls[i].childNodes[2]){
				sfEls[i].childNodes[2].style.display = "none";
	
				sfEls[i].childNodes[0].onclick = function(){
					if(this.parentNode.childNodes[2].style.display == "none"){
						this.parentNode.childNodes[2].style.display = "block";
					}else{
						this.parentNode.childNodes[2].style.display = "none";
					}
					return false;
				}
			}
		}
	}
}

function _addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			if (oldonload) {
				oldonload();
			}
			func();
		}
	}
}

_addLoadEvent(_oLeftMenuInit);