function hidediv(divid){
if(document.getElementById){
document.getElementById(divid).style.display='none';
}else{
if(document.layers){
document.divid.display='none';
}else{
document.all.divid.style.display='none';
}
}
}
function showdiv(divid){
if(document.getElementById){
document.getElementById(divid).style.display='block';
}else{
if(document.layers){
document.divid.display='block';
}else{
document.all.divid.style.display='block';
}
}
}