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';
}
}
}
function checkdiv(divid){
if(document.getElementById){
if(document.getElementById(divid).style.display=='none'){return '0';}
if(document.getElementById(divid).style.display=='block'){return '1';}
}else{
if(document.layers){
if(document.divid.display=='none'){return '0';}
if(document.divid.display=='block'){return '1';}
}else{
if(document.all.divid.style.display=='none'){return '0';}
if(document.all.divid.style.display=='block'){return '1';}
}
}
}