function menu_goto( menuform )
{
  var baseurl = 'http://www.motorprovider.co.uk/' ;
  selecteditem = menuform.url.selectedIndex ;
  newurl = menuform.url.options[ selecteditem ].value ;
  if (newurl.length != 0) {
    location.href = baseurl + newurl ;
  }
}
document.writeln( '<form action="chgoto" method="get">' );
document.writeln( '<select name="url" onchange="menu_goto(this.form)">' );
document.writeln( '<option value="">Please Select</option>' );
document.writeln( '<option value="products.php?cat=15">Audi</option>' );
document.writeln( '<option value="products.php?cat=16">BMW</option>' );
document.writeln( '<option value="products.php?cat=17">Chevrolet</option>' );
document.writeln( '<option value="products.php?cat=18">Chrysler</option>' );
document.writeln( '<option value="products.php?cat=19">Citroen</option>' );
document.writeln( '<option value="categories.php?cat=20">Fiat</option>' );
document.writeln( '<option value="categories.php?cat=10">Ford</option>' );
document.writeln( '<option value="categories.php?cat=21">Honda</option>' );
document.writeln( '<option value="products.php?cat=22">Hyundai</option>' );
document.writeln( '<option value="categories.php?cat=24">Jaguar</option>' );
document.writeln( '<option value="products.php?cat=23">Kia</option>' );
document.writeln( '<option value="categories.php?cat=25">Land Rover</option>' );
document.writeln( '<option value="categories.php?cat=27">Mazda</option>' );
document.writeln( '<option value="mercedes.php">Mercedes</option>' );
document.writeln( '<option value="categories.php?cat=31">Nissan</option>' );
document.writeln( '<option value="categories.php?cat=32">Peugeot</option>' );
document.writeln( '<option value="categories.php?cat=9">Renault</option>' );
document.writeln( '<option value="categories.php?cat=34">SAAB</option>' );
document.writeln( '<option value="products.php?cat=100">Ssangyong </option>' );
document.writeln( '<option value="products.php?cat=37">Subaru</option>' );
document.writeln( '<option value="products.php?cat=102">Suzuki</option>' );
document.writeln( '<option value="products.php?cat=38">Toyota</option>' );
document.writeln( '<option value="categories.php?cat=39">Vauxhall</option>' );
document.writeln( '<option value="categories.php?cat=11">Volkswagen</option>' );
document.writeln( '<option value=""></option>' );
document.writeln( '</select>' );
document.writeln( '</form>' );