window.onload = function() {
		menu = document.getElementById('nav').getElementsByTagName('li');
		for(key in menu) {
			if (key < 7) { 
				a = menu[key].getElementsByTagName('a');
				a[0].onmouseover = MenuOn;
				a[0].onmouseout = MenuOff;
				MenuStart(a[0]);
			}
		}
	}
	function MenuOn() {
		this.style.background = 'url(/i/' + this.id + '_on.gif)';
	}
	function MenuOff() {
		this.style.background = 'url(/i/' + this.id + '.gif)';
	}
	function MenuStart(obj) {
		obj.style.background = 'url(/i/' + obj.id + '.gif)';
		document.getElementById('process').innerHTML += '<img src="/i/' + obj.id + '_on.gif">';
		
	}