var slide = function() {
   var $started,
       $stoped;
   return {
	    $started : function(){  $started = setInterval("Tg_Slide()", 6000 /* slide durration miliseconds */); },  
        $stoped : function(){
		   clearInterval($started);
		}
   }
}();

slide.$started();

Tg_Slide();

//this is slide_show function 
function Tg_Slide(){
			var $active = $('#list-slide li.active');
			if ($active.length == 0) $active = $('#list-slide li:last') ;
			var $next =  $active.next("li").length ? $active.next("li")
			: $('#list-slide li:first');   
			$active.removeClass("active");
		    tg_Change($next);
}
//this changes slide image
function tg_Change($element){
		  $("#list-slide li.active").removeClass("active");
		  var iim = $element.find('a').attr('href');
		  $("#slide-img img").hide();
		  $("#slide-img").find('img').attr('src', iim);
		$("#slide-img img").fadeIn(800);
		$element.addClass('active');	
}