$(document).ready(function() {  

  //Get all the LI from the #tabMenu UL
  $('#tabMenu > li').click(function(){

    //perform the actions when it's not selected
    if (!$(this).hasClass('selected')) {    
        
        //remove the selected class from all LI    
        $('#tabMenu > li').removeClass('selected');
        
        //Reassign the LI
        $(this).addClass('selected');
        
        //Hide all the DIV in .boxBody
        $('.boxBody div').slideUp('1500');
        
        //Look for the right DIV in boxBody according to the Navigation UL index, therefore, the arrangement is very important.
        $('.boxBody div:eq(' + $('#tabMenu > li').index(this) + ')').slideDown('1500');
    }
    
  }).mouseover(function() {
    //Add and remove class, Personally I dont think this is the right way to do it, anyone please suggest    
    $(this).addClass('mouseover');
    $(this).removeClass('mouseout');   
    
  }).mouseout(function() {
    
    //Add and remove class
    $(this).addClass('mouseout');
    $(this).removeClass('mouseover');    
    
  });

  //Mouseover effect for menu list.
  $('.boxBody li').click(function(){
    window.snippets.ContextMenuId.hide();
  }).mouseover(function() {
    $(this).css('backgroundColor','#222');
    $(this).css('color','#fff');
  }).mouseout(function() {
    $(this).css('backgroundColor','');
    $(this).css('color','');
  });   
    
});