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