function on(a){
	document.getElementById("mn"+a).src=MEDIA_URL+"images/"+a+"a.gif";
}
function off(a){
	document.getElementById("mn"+a).src=MEDIA_URL+"images/"+a+".gif";
}
function onH(a){
	document.getElementById("topi"+a).src=MEDIA_URL+"images/icon/"+a+"_.gif";
}
function offH(a){
	document.getElementById("topi"+a).src=MEDIA_URL+"images/icon/"+a+".gif";
}