jQuery(document).ready(function()
{
  slide_n=4;
if (document.getElementById('gallery'))
                     {

                       position = parseInt($('#inside_gallery').css('left').replace('px',''));
                       number = $("#gallery").find('dt').length;
                       if (number>4) {$('#left_slide').css('display','block');$('#right_slide').css('display','block')}
                       different = number-4;
                       if (different <= 0) {} else
                       $('#right_slide').removeClass();
                       different_flag = different;
                       $('#right_slide').click(function(){
                                               if (different>0)
                                                 {$('#left_slide').removeClass();
                                                   if  (different>=4) {slide_n=4} else{slide_n=different}
                                                  position = position - 74*slide_n-1;
                                                  $('#inside_gallery').animate({left:position},  2000);
                                                  different = different - slide_n;
                                                  if (different == 0){$(this).addClass('no_active');}
                                                  return false;}
                                                  else return false;
                                                            })
                       $('#left_slide').click(function(){
                                               if (different < different_flag)
                                                 {$('#right_slide').removeClass();

                                                  position = position + 74*slide_n+1;
                                                  slide_n=4;
                                                  $('#inside_gallery').animate({left:position},  2000);
                                                  different = different + slide_n;
                                                  if (different == different_flag){$(this).addClass('no_active');}
                                                  return false;}
                                                  else return false;
                                                            })




                     }


  $(".main_menu>li").hover(function(){$(this).addClass("hover");$(this).find("ul").css("display","block")},function(){$(this).find("ul").css("display","none");$(this).removeClass("hover");})
});