function showhide(what,what2){
if (what.style.display=='none'){
what.style.display='';
}
else{
what.style.display='none';
}
}

function show(what,what2){
if (what.style.display=='none'){
what.style.display='';
}
else{
what.style.display='';
}
}

function hide(what,what2){
if (what.style.display==''){
what.style.display='none';
}
else{
what.style.display='none';
}
}