// JavaScript Document
var arr_navElements;

function down() {
	this.status = "down";
	thisMenu = this.getElementsByTagName('div')[0].style
	thisMenu.marginTop = "7px";
}

function up() {
	this.status = "up";
	thisMenu = this.getElementsByTagName('div')[0].style
	thisMenu.marginTop = "0px";
}

function out() {
	if (this.status == "down") {
		thisMenu = this.getElementsByTagName('div')[0].style
		thisMenu.marginTop = "0px";
		this.status = "up";
	}
}

function initialize() {
	arr_navElements = document.getElementById('nav').getElementsByTagName('a');
	for (i=0;i<arr_navElements.length;i++) {
		arr_navElements[i].onmousedown = down;
		arr_navElements[i].onmouseup = up;
		arr_navElements[i].onmouseout = out;
	}
}

window.onload = initialize;