//Images
	var imgDir = 'images/';
	var imgType = 'jpg'
	var img1off = new Image(); img1off.src = imgDir + 'leftnavhover1' + '.' + imgType;
	var img2off = new Image(); img2off.src = imgDir + 'leftnavhover2' + '.' + imgType;
	var img3off = new Image(); img3off.src = imgDir + 'leftnavhover3' + '.' + imgType;
	var img4off = new Image(); img4off.src = imgDir + 'leftnavhover4' + '.' + imgType;
	var img5off = new Image(); img5off.src = imgDir + 'leftnavhover5' + '.' + imgType;
	var img6off = new Image(); img6off.src = imgDir + 'leftnavhover6' + '.' + imgType;
	var img7off = new Image(); img7off.src = imgDir + 'leftnavhover7' + '.' + imgType;
	var img8off = new Image(); img8off.src = imgDir + 'leftnavhover8' + '.' + imgType;

	var img1on = new Image(); img1on.src = imgDir + 'leftnav1' + '.' + imgType;
	var img2on = new Image(); img2on.src = imgDir + 'leftnav2' + '.' + imgType;
	var img3on = new Image(); img3on.src = imgDir + 'leftnav3' + '.' + imgType;
	var img4on = new Image(); img4on.src = imgDir + 'leftnav4' + '.' + imgType;
	var img5on = new Image(); img5on.src = imgDir + 'leftnav5' + '.' + imgType;
	var img6on = new Image(); img6on.src = imgDir + 'leftnav6' + '.' + imgType;
	var img7on = new Image(); img7on.src = imgDir + 'leftnav7' + '.' + imgType;
	var img8on = new Image(); img8on.src = imgDir + 'leftnav8' + '.' + imgType;


	function showMenu(obj){
		obj.src = eval('img' + obj.id.substring(3,4) + 'off').src;
	}

	function hideMenu(obj){
		obj.src = eval('img' + obj.id.substring(3,4) + 'on').src;
	}