var li = document.getElementById('menu-list').getElementsByTagName('li');
	for(var i=0;i<li.length;i++) {
		li[i].onmouseover = function() {
			if(this.getElementsByTagName('div')[0]){
				this.getElementsByTagName('div')[0].style.display='block';
			}
		}
		li[i].onmouseout = function(){
			if(this.getElementsByTagName('div')[0]) {
				this.getElementsByTagName('div')[0].style.display='none';
			}
		}
	}