var current = "overview";
  
  var $j = jQuery.noConflict();
  
  $j(document).ready(function(){
    
    $j(".left-sub-nav ul").addClass('sf-menu').addClass('sf-vertical');
    $j("#menu ul").addClass('sf-menu');
    $j(".sf-menu").superfish({animation: {height:'show'}, delay: 1200 });
    
    $j('#menu li a:last').css('borderRight', 'none');
    
    $j(".sf-menu>ul").css("opacity", "0.7");
    
    $j('#features').hide();
    $j('#specification').hide();
    $j('#applications').hide();
    $j('#downloads').hide();
    $j('div.fb_credits').remove();
    $j('#tabs-menu a:first').addClass('tab-active');
    
    $j('#tabs-menu a').click(function(e){
    
	e.preventDefault();
	var toShow = $j(this).attr('rel');
	
	if(toShow != current)
	{
	  var tabs = $j('div#tabs-menu a');
	  
	  $j.each(tabs, function(){
	    $j(this).removeClass('tab-active');
	  })
	  
	  $j(this).addClass('tab-active');
	  $j(this).parent().parent().parent().siblings('div').not("hidden").hide();
	  $j('div#' + toShow).fadeIn('fast');
	  
	  current = toShow;
	}
    })
    
    /*$j("#left-menu ul").addClass('sf-menu').addClass('sf-vert');*/
    $j("div#menu ul").addClass('sf-menu');
    
    $j(".sf-menu").superfish({ 
	animation: {height:'show'},
	delay:     1200
    });
  
    $j('form[action="contactHandler.php"]')
      .submit(function(event){
	if($j('input[name="Name"]').val() == ''){
	  
	  alert('Please enter your name.');
	  $j('input[name="Name"]').focus();
	  
	  event.preventDefault();
	
	}else if($j('input[name="company"]').val() == ''){
	
	  alert('Please enter your company name');
	  $j('input[name="Company"]').focus();
	  
	  event.preventDefault();
	  
	}else if($j('input[name="phone"]').val() == ''){
	
	  alert('Please enter your telephone number');
	  $j('input[name="phone"]').focus();
	  
	  event.preventDefault();
	
	}else if($j('input[name="email"]').val() == ''){
	  
	  alert('Please enter your email address.');
	  $j('input[name="email"]').focus();
	  
	  event.preventDefault();	  
	
	}else if($j('textarea[name="Needs"]').val() == ''){
	  alert('Please enter your requirements.');
	  $j('textarea[name="Needs"]').focus();
	  
	  event.preventDefault();
	}
	
	return true;
      });
  });