function changeimg(idl,mname) {
idl.src="/lookandfeel/images/menu_en/"+mname+"_o.gif";
idl.onmouseout=function() {
idl.src="/lookandfeel/images/menu_en/"+mname+"_n.gif";
}
}

function changechiimg(idl,mname) {
idl.src="/lookandfeel/images/menu_big5/"+mname+"_o.gif";
idl.onmouseout=function() {
idl.src="/lookandfeel/images/menu_big5/"+mname+"_n.gif";
}
}