/*mainmenu script*/
function mouseOut() {
document.getElementById('main_img').style.backgroundPosition='0px 0px';
}
/*each menu script*/
function mOver1() {
document.getElementById('main_img').style.backgroundPosition='0px -300px';
}
function mOver2() {
document.getElementById('main_img').style.backgroundPosition='0px -600px';
}
function mOver3() {
document.getElementById('main_img').style.backgroundPosition='0px -900px';
}