function mouseOver1()
{
document.home.src ="http://www.phutc.com/images/home-hover.jpg";
}
function mouseOut1()
{
document.home.src ="http://www.phutc.com/images/home.jpg";
}

function mouseOver2()
{
document.ourclinic.src ="http://www.phutc.com/images/our-clinic-hover.jpg";
}
function mouseOut2()
{
document.ourclinic.src ="http://www.phutc.com/images/our-clinic.jpg";
}

function mouseOver3()
{
document.products.src ="http://www.phutc.com/images/products-hover.jpg";
}
function mouseOut3()
{
document.products.src ="http://www.phutc.com/images/products.jpg";
}

function mouseOver4()
{
document.opportunity.src ="http://www.phutc.com/images/opportunity-hover.jpg";
}
function mouseOut4()
{
document.opportunity.src ="http://www.phutc.com/images/opportunity.jpg";
}

function mouseOver5()
{
document.classes.src ="http://www.phutc.com/images/classes-hover.jpg";
}
function mouseOut5()
{
document.classes.src ="http://www.phutc.com/images/classes.jpg";
}

function mouseOver6()
{
document.contactus.src ="http://www.phutc.com/images/contact-us-hover.jpg";
}
function mouseOut6()
{
document.contactus.src ="http://www.phutc.com/images/contact-us.jpg";
}

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