//will reveal or hide a div, changes it to whatever state it is not in
//look at affiliate.php for usage
function show(id) { 
    
    if (document.getElementById) { // DOM3 = IE5, NS6
        if (document.getElementById(id).style.display == "none"){
            document.getElementById(id).style.display = 'block';
        } else {
            document.getElementById(id).style.display = 'none';            
        }    
    } else { 
        if (document.layers) {    
            if (document.id.display == "none"){
                document.id.display = 'block';
            } else {
                document.id.display = 'none';
            }
        } else {
            if (document.all.id.style.visibility == "none"){
                document.all.id.style.display = 'block';
            } else {
                document.all.id.style.display = 'none';
            }
        }
    }
}