document.write("<a href='index.htm'><img src='butt_home.gif' onMouseOver=h1() onMouseOut=g1() name='m1'></img></a>&nbsp;")
function h1()
{
document.m1.src="butt_home1.gif";
}
function g1()
{
document.m1.src="butt_home.gif";
}

document.write("<a href='products.htm'><img src='butt_pro.gif' onMouseOver=h2() onMouseOut=g2() name='m2'></img></a>&nbsp;")
function h2()
{
document.m2.src="butt_pro1.gif";
}
function g2()
{
document.m2.src="butt_pro.gif";
}

document.write("<a href='profile.htm'><img src='butt_prof.gif' onMouseOver=h3() onMouseOut=g3() name='m3'></img></a>&nbsp;")
function h3()
{
document.m3.src="butt_prof1.gif";
}
function g3()
{
document.m3.src="butt_prof.gif";
}

document.write("<a href='machine.htm'><img src='butt_mach.gif' onMouseOver=h4() onMouseOut=g4() name='m4'></img></a>&nbsp;")
function h4()
{
document.m4.src="butt_mach1.gif";
}
function g4()
{
document.m4.src="butt_mach.gif";
}

document.write("<a href='contactus.htm'><img src='butt_cont.gif' onMouseOver=h5() onMouseOut=g5() name=m5></img></a>")
function h5()
{
document.m5.src="butt_cont1.gif";
}
function g5()
{
document.m5.src="butt_cont.gif";
}