function show_menu(mit){
var cucc = document.getElementById('hide_div_'+mit);
if(cucc.className== "hide"){
document.getElementById('hide_div_'+mit).setAttribute("className", "display");
document.getElementById('hide_div_'+mit).setAttribute("class", "display");
}
else{
document.getElementById('hide_div_'+mit).setAttribute("className", "hide");
document.getElementById('hide_div_'+mit).setAttribute("class", "hide");

}
}