function initNavigation() {
	
  // add classname to selected link
  $('#structure_navigation .level_1 a[id=' + s_page + ']')
    .addClass('active');
    
  // show list from selected link
  $('#structure_navigation li[id=' + s_page + '] > ul')
    .addClass('visible');
  
  // add classname to selected sublink
  $('#structure_navigation a[id=' + s_page + '_' + s_subpage + ']')
    .addClass('active');
	
  $('#structure_navigation .level_1 > a').not('.active')
    .css( {backgroundPosition: "0px -49px", height: "47px"} )
}

/* ANIMATE NAVIGATION MOUSEOVER & MOUSEOUT */
$(function(){
  $('#structure_navigation .level_1 > a').not('.active')
    .mouseover(function(){
      $(this).stop().animate( {backgroundPosition:"(0px 0px)", height: "96px"}, {duration:300} )
    })
    .mouseout(function(){
      $(this).stop().animate({backgroundPosition:"(0px -49px)", height: "47px"}, {duration:200, complete:function(){
      $(this).css({backgroundPosition: "0px -49px", height: "47px"})
    }})
  })
});