var timeobj=null;
function hidden(divobj){
document.getElementById(divobj).style.display="none";
}
function sethidden(divobj){
timeobj=setTimeout("hidden('"+divobj+"')",300);
}
function clearhidden(){
if(timeobj!=null){
clearTimeout(timeobj);
}
}
function blockdiv(n,l){
var obj=null;
for(i=1;i<=l;i++){
var obj=document.getElementById("d"+i);
if(obj!=null){
if(i==n){
obj.style.display="block";
}
else{
obj.style.display="none";
}
}
}
}
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