$(document).ready(function(){
 
var imgHeight = 188;
 var imgWidth = 488;
 var imagesCount = $("#slider img").length;
 var autoSlideShowTime = 3000;
 var correntImg = 0;
 
 var t=setTimeout("$('#sliderNextImg').trigger('click');",autoSlideShowTime);
 
 function showDescription() {
 $("#desContent").html($("#slider ul li").slice(correntImg, correntImg+1).html());
 var descriptionHeight = $("#description").height();
 $('#description').animate({opacity: 0.0, height: '0px'}, 1);
 $('#description').delay(1000).animate({opacity: 0.5, height: '60px'}, 500);
 }
 
 showDescription();
 
 $("#slider").hover(function() {
 $("#sliderNextImg, #sliderPreviousImg").css("visibility","visible");
 }, function() {
 $("#sliderNextImg, #sliderPreviousImg").css("visibility","hidden");
 })
 
 $("#sliderNextImg").click(function() {
 clearTimeout(t)
 if (correntImg != imagesCount-1) {
 correntImg += 1;
 $('#scroll').animate({marginTop: (-(correntImg) * imgHeight) + "px"}, 1000);
 t=setTimeout("$('#sliderNextImg').trigger('click');",autoSlideShowTime);
 } else {
 correntImg = 0;
 $('#scroll').animate({marginTop: "0px"}, 2000);
 t=setTimeout("$('#sliderNextImg').trigger('click');",1000+autoSlideShowTime);
 }
 showDescription()
 });
 
 $("#sliderPreviousImg").click(function() {
 clearTimeout(t)
 if (correntImg != 0) {
 correntImg -= 1;
 $('#scroll').animate({marginTop: (-(correntImg) * imgHeight) + "px"}, 1000);
 } else {
 correntImg = imagesCount - 1;
 $('#scroll').animate({marginTop: (-(correntImg) * imgHeight) + "px"}, 2000);
 }
 t=setTimeout("$('#sliderNextImg').trigger('click');",autoSlideShowTime);
 showDescription()
 });
 
});