function mouseOver1()
{
document.portfolio.src ="images/portfolio2.gif";
}

function mouseOut1()
{
document.portfolio.src ="images/portfolio.gif";
}

function mouseOver2()
{
document.resume.src ="images/resume2.gif";
}
function mouseOut2()
{
document.resume.src ="images/resume.gif";
}

function mouseOver3()
{
document.about.src ="images/about2.gif";
}
function mouseOut3()
{
document.about.src ="images/about.gif";
}

function mouseOver4()
{
document.contact.src ="images/contact2.gif";
}
function mouseOut4()
{
document.contact.src ="images/contact.gif";
}