function topnav(){
document.write('Download Catalog');
document.write('Home');
}
function sidenav(){
document.write('Wall Signs');
document.write('Projecting Signs');
document.write('Directories');
document.write('Suspended Signs');
document.write('Triangular Wall Mount');
document.write('Desk Stands');
document.write('Free Standing');
document.write('Snap Frames');
document.write('Additional Products');
}