function MenuOn_iga(){
         obj=document.getElementById("sm-iga").style.visibility="visible";
}
function MenuOff_iga(){
         obj=document.getElementById("sm-iga").style.visibility="hidden";
}
function MenuOn_iryo(){
         obj=document.getElementById("sm-iryo").style.visibility="visible";
}
function MenuOff_iryo(){
         obj=document.getElementById("sm-iryo").style.visibility="hidden";
}
function MenuOn_shin(){
         obj=document.getElementById("sm-shin").style.visibility="visible";
}
function MenuOff_shin(){
         obj=document.getElementById("sm-shin").style.visibility="hidden";
}
function MenuOn_riha(){
         obj=document.getElementById("sm-riha").style.visibility="visible";
}
function MenuOff_riha(){
         obj=document.getElementById("sm-riha").style.visibility="hidden";
}
function MenuOn_hako(){
         obj=document.getElementById("sm-hako").style.visibility="visible";
}
function MenuOff_hako(){
         obj=document.getElementById("sm-hako").style.visibility="hidden";
}
function MenuOn_syogai(){
         obj=document.getElementById("sm-syogai").style.visibility="visible";
}
function MenuOff_syogai(){
         obj=document.getElementById("sm-syogai").style.visibility="hidden";
}