//to change the visibility of text within a document
function hidediv() { 
if (document.getElementById) { // DOM3 = IE5, NS6 
document.getElementById('hideShow').style.display = 'none'; 
} 
else { 
if (document.layers) { // Netscape 4 
document.hideShow.display = 'none'; 
} 
else { // IE 4 
document.all.hideShow.style.display = 'none'; 
} 
} 
} 

function showdiv() { 
if (document.getElementById) { // DOM3 = IE5, NS6 
document.getElementById('hideShow').style.display = 'block'; 
} 
else { 
if (document.layers) { // Netscape 4 
document.hideShow.dislplay = 'block'; 
} 
else { // IE 4 
document.all.hideShow.style.display = 'block'; 
} 
} 
}