// Log in form
var toggle_login = function(){
	
	var loginForm = document.getElementById("login");
	
	if(loginForm.className == "log_in"){
		loginForm.className = "log_in off";
	}else{
		loginForm.className = "log_in";
	}
}


var menu_down = function($id){
	var menuLi = document.getElementById($id);
	menuLi.className = "main_menu_li_hover";
}

var menu_up = function($id){
	var menuLi = document.getElementById($id);
	menuLi.className = "main_menu_li";
}