function sh(){
document.getElementById('menudrop').style.display="block";
}
function dsh(){
document.getElementById('menudrop').style.display="none";
}
function sh2(){
document.getElementById('menudrop2').style.display="block";
document.getElementById('menudrop').style.display="none";
}
function dsh2(){
document.getElementById('menudrop2').style.display="none";
}


function hover(arg,arg2){
document.getElementById(arg).src=arg2;
}
function normal(arg,arg2){
document.getElementById(arg).src=arg2;
}