function showCategory(newLoc)
{
  category = newLoc.options[newLoc.selectedIndex].text;
//  box = document.forms[0].navi;
//  category = box.options[box.selectedIndex].name;
//  var baseURI = document.forms[0].action;
  var baseURI = document.getElementById('choose-category').action;
  if(category.length > 0)
      location.href=baseURI+'/'+category+'/page1.html';
  else
      location.href=baseURI+'/page1.html';
  
 // if(category) location.href=baseURI+category+'/page1.html';
}