function showhide(divname,what) {
if (document.getElementById(divname).style.display=="") {
document.getElementById(divname).style.display="none";
}
else if (document.getElementById(divname).style.display=="none"){
document.getElementById(divname).style.display="";
}
}
function hide(divname,what) {
if (document.getElementById(divname).style.display=="") {
document.getElementById(divname).style.display="none";
}
else if (document.getElementById(divname).style.display=="none"){
document.getElementById(divname).style.display="none";
}
}
function show(divname,what) {
if (document.getElementById(divname).style.display=="none") {
document.getElementById(divname).style.display="";
}
else if (document.getElementById(divname).style.display==""){
document.getElementById(divname).style.display="";
}
}