$(document).ready(function() {  
   
         //options( 1 - ON , 0 - OFF)  
         var auto_slide = 1;  
             var hover_pause = 1;  
         var key_slide = 1;  
   
         //speed of auto slide(  
         var auto_slide_seconds = 5500;  
         /* IMPORTANT: i know the variable is called ...seconds but it's 
         in milliseconds ( multiplied with 1000) '*/  
   
         /*move the last list item before the first item. The purpose of this is 
         if the user clicks to slide left he will be able to see the last item.*/  
         $('#carousel_ul li:first').before($('#carousel_ul li:last'));  
   
         //check if auto sliding is enabled  
         if(auto_slide == 1){  
             /*set the interval (loop) to call function slide with option 'right' 
             and set the interval time to the variable we declared previously */  
             var timer = setInterval('slide("right")', auto_slide_seconds);  
   
             /*and change the value of our hidden field that hold info about 
             the interval, setting it to the number of milliseconds we declared previously*/  
             $('#hidden_auto_slide_seconds').val(auto_slide_seconds);  
         }  
   
         //check if hover pause is enabled  
         if(hover_pause == 1){  
             //when hovered over the list  
             $('#carousel_ul').hover(function(){  
                 //stop the interval  
                 clearInterval(timer)  
             },function(){  
                 //and when mouseout start it again  
                 timer = setInterval('slide("right")', auto_slide_seconds);  
             });  
   
         }  
   
         //check if key sliding is enabled  
         if(key_slide == 1){  
   
             //binding keypress function  
             $(document).bind('keypress', function(e) {  
                 //keyCode for left arrow is 37 and for right it's 39 '  
                 if(e.keyCode==37){  
                         //initialize the slide to left function  
                         slide('left');  
                 }else if(e.keyCode==39){  
                         //initialize the slide to right function  
                         slide('right');  
                 }  
             });  
   
         }  
   
   });  
   
 //FUNCTIONS BELOW  
   
 //slide function  
 function slide(where){  
   
             //get the item width  
             var item_width = $('#carousel_ul li').outerWidth();  
   
             /* using a if statement and the where variable check 
             we will check where the user wants to slide (left or right)*/  
             if(where == 'left'){  
                 //...calculating the new left indent of the unordered list (ul) for left sliding  
                 var left_indent = parseInt($('#carousel_ul').css('left')) + item_width;  
             }else{  
                 //...calculating the new left indent of the unordered list (ul) for right sliding  
                 var left_indent = parseInt($('#carousel_ul').css('left')) - item_width;  
   
             }  
   
             //make the sliding effect using jQuery's animate function... '  
             $('#carousel_ul:not(:animated)').animate({'left' : left_indent},1000,function(){  
   
                 /* when the animation finishes use the if statement again, and make an ilussion 
                 of infinity by changing place of last or first item*/  
                 if(where == 'left'){  
                     //...and if it slided to left we put the last item before the first item  
                     $('#carousel_ul li:first').before($('#carousel_ul li:last'));  
                 }else{  
                     //...and if it slided to right we put the first item after the last item  
                     $('#carousel_ul li:last').after($('#carousel_ul li:first'));  
                 }  
   
                 //...and then just get back the default left indent  
                 $('#carousel_ul').css({'left' : '-940px'});  
             });  
   
 }