function mouseOver1()
{
document.b1.src ="images/b.png";
}
function mouseOut1()
{
document.b1.src ="images/b_ss.png";
}
function mouseOver2()
{
document.b2.src ="images/t.png";
}
function mouseOut2()
{
document.b2.src ="images/t_ss.png";
}
function mouseOver3()
{
document.b3.src ="images/m.png";
}
function mouseOut3()
{
document.b3.src ="images/m_ss.png";
}
function mouseOver4()
{
document.b4.src ="images/p.png";
}
function mouseOut4()
{
document.b4.src ="images/p_ss.png";
}
function mouseOver5()
{
document.b5.src ="images/pp.png";
}
function mouseOut5()
{
document.b5.src ="images/pp_ss.png";
}
function mouseOver6()
{
document.b6.src ="images/tt.png";
}
function mouseOut6()
{
document.b6.src ="images/tt_ss.png";
}