function hoverNav() {
	if (document.getElementById('nav')) {
		var menuElems = document.getElementById("nav").getElementsByTagName("LI");
		for (var q=0; q<menuElems.length; q++) {
			menuElems[q].onmouseover=function() {
				this.className+=" hoverNav";
			}
			menuElems[q].onmouseout=function() {
				this.className=this.className.replace(new RegExp(" hoverNav\\b"), "");
			}
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", hoverNav);


function writeMail(usr, dom, ext) {
	document.write(usr+'@'+dom+'.'+ext);
}

function validate(form)
{
	if (form.from_name.value == "") {
		alert('Please include your name.');
		form.from_name.focus();
		return false;
	}
	if ((form.from_email.value == "") ||
		(form.from_email.value.indexOf('@') == -1) ||
		(form.from_email.value.indexOf('.') == -1))
	{
		alert('Please enter a vaild E-Mail address.');
		form.from_email.focus();
		return false;
	}
	else return true;
}

function setSubject(form)
{
	form.subject.value += ' - ' + form.from_name.value;
}

function setReservationSubject(form)
{
	form.subject.value = 'Reservation - ' + form.tour_requested.value + ' - ' + form.from_name.value;
}

function hoverOn(img_name) {
	if (document.images) {
		image_on = eval(img_name + "_on.src")
		document [img_name].src = image_on
	}
}

function hoverOff(img_name)
{
	if (document.images)
	{
		image_off = eval(img_name + "_off.src")
		document [img_name].src = image_off
	}
}

if (document.images)
{
	abes_on = new Image()
	abes_on.src = "images/abes_on.gif"
	abes_off = new Image()
	abes_off.src = "images/abes_off.gif"
}