function Show(id){
	var SubMenu = document.getElementsByTagName("ul");

	if (SubMenu[id].style.display == 'block'){
    	SubMenu[id].style.display = 'none';
    }
    else {
   		SubMenu[id].style.display = 'block';
    }
}

function Hide(id){
	var SubMenu = document.getElementsByTagName("ul");
    	SubMenu[id].style.display = 'none';
}