function img_frame_hover(){
    jQuery(".img_frame").hover(
       function () {
          description_height = jQuery(this).find(".description").height() + 10;
          jQuery("ul", this).not(':animated').animate({top: -description_height}, 'fast')
       },  
       function () {
          jQuery("ul", this).animate({top: 0}, 'fast')
       }
    );
}

jQuery(function(){
    img_frame_hover();
     
    jQuery('.img_frame .container_car').each( function(){
       img_width = jQuery(this).find("img").width();
       img_height = jQuery(this).find("img").height();
        
       jQuery(this).width(img_width);
       jQuery(this).height(img_height);
        
       jQuery(this).parent(".img_frame").not("li").width(img_width);
    });    
     
    var li_width = 195;
     var ul_width = jQuery("ul.carousel_items").children().length * li_width;
     jQuery("ul.carousel_items").css('width', ul_width);
      
     jQuery(".carousel").hover(
         function () {
             jQuery(".carousel_btn_left").not(':animated').show();
             jQuery(".carousel_btn_right").not(':animated').show();
         },  
         function () {
             jQuery(".carousel_btn_left").not(':animated').hide();
             jQuery(".carousel_btn_right").not(':animated').hide();
         }
     );
      
     jQuery(".carousel_btn_left").click(function(){
         var ul_position = jQuery("ul.carousel_items").position();
        
         if(ul_position.left < 0){
             jQuery("ul.carousel_items").not(':animated').animate({ left: '+=195' }, {
                             duration: 'slow',
                             easing: 'easeOutExpo'});
         }
         return false;
     });
      
     jQuery(".carousel_btn_right").click(function(){
         var ul_position = jQuery("ul.carousel_items").position();
       var carouselWidth = jQuery(".carousel").width() + 20;
         var current_position = ul_width - (-ul_position.left) - carouselWidth;
          
         if(current_position > 0){
             jQuery("ul.carousel_items").not(':animated').animate({ left: '-=195' }, {
                             duration: 'slow',
                             easing: 'easeOutExpo'});
         }
         return false;
     });
})