function hm(){	document.location.href='index.html'
}
function pr(){document.location.href='products.html'
}
function ct(){document.location.href='contactus.html'
}



function menu()
{
document.getElementById('menu').style.backgroundImage='url("images/btn2.jpg")';
}
function over1()
{
document.getElementById('one').style.backgroundImage='url("images/btn2.jpg")';
}
function out1()
{
document.getElementById('one').style.backgroundImage='url("images/btn1.jpg")';
}
function over2()
{
document.getElementById('two').style.backgroundImage='url("images/btn2.jpg")';
}
function out2()
{
document.getElementById('two').style.backgroundImage='url("images/btn1.jpg")';
}
function over3()
{
document.getElementById('three').style.backgroundImage='url("images/btn2.jpg")';
}
function out3()
{
document.getElementById('three').style.backgroundImage='url("images/btn1.jpg")';
}