var preload=new Image();
preload.src="../../images/top-nav_01.gif, ../../images/top-nav_011.gif, ../../images/top-nav_04,images/top-nav_04.gif, ../../images/top_10_ov.gif, ../../images/top_10.gif, ../../images/lf_ov_16.gif, ../../images/lf_16.gif";
function move_in(img_name,img_src) {
document[img_name].src=img_src;
}

function move_out(img_name,img_src) {
document[img_name].src=img_src;
}