count=0;
function showdiv(x)
{
z=document.getElementById(x);
if(count%2==0){
z.style.display="block";
}
else{
z.style.display="none";
}
count++;
}

function highlight(x){
x.style.borderStyle="solid";
x.style.borderColor="#909090";
x.style.borderWidth="1px";
}

function nohighlight(x){
x.style.borderStyle="solid";
x.style.borderColor="#C0C0C0";
x.style.borderWidth="1px";
}

function trlighted(tag)
{
tag.style.backgroundColor="#f3f3f3"
}
function notrlighted(tag)
{
tag.style.backgroundColor="#f9f9f9"
}