function tog()
{
if (document.getElementById('popup').style.display == 'none')
{
document.getElementById('popup').style.display='block';
}
else
{
document.getElementById('popup').style.display='none';
}
}

function toggle(x)
{
if (document.getElementById(x).style.display == 'none')
{
document.getElementById(x).style.display='block';
}
else
{
document.getElementById(x).style.display='none';
}
}

function field(formit){
	if(formit.q.value == ''){
		alert("Please enter a keyword.");
		return false;
	}
} 
function bookmark(title, url) {
  if (document.all) window.external.AddFavorite(url, title);
  else if (window.sidebar) window.sidebar.addPanel(title, url, "");
}