function showdiv(pass) { 
var h3s = document.getElementsByTagName('h3'); 
for(i=0;i<h3s.length;i++){ 
if(h3s[i].id.match(pass)){//if they are 'see' divs 
if (document.getElementById) // DOM3 = IE5, NS6 
h3s[i].style.display="block";// show/hide 
else 
if (document.layers) // Netscape 4 
document.layers[h3s[i]].display = 'block'; 
else // IE 4 
document.all.h3s[i].display = 'block'; 
} else { 
if (document.getElementById) 
h3s[i].style.display="none"; 
else 
if (document.layers) // Netscape 4 
document.h3s[i].display = 'none'; 
else // IE 4 
document.all.h3s[i].display = 'none'; 
} 
} 
}