$(document).ready(function () {
	/*############################## PAGINATION ##############################*/
 //how much items per page to show  
 var show_per_page = 50;  
 //getting the amount of elements inside content div  
 var number_of_items = $('#handicap_body').children().size();  
 //calculate the number of pages we are going to have  
 var number_of_pages = Math.ceil(number_of_items/show_per_page);  

 //set the value of our hidden input fields  
 $('#current_page').val(0);  
 $('#show_per_page').val(show_per_page);  

 //now when we got all we need for the navigation let's make it '  

 /* 
 what are we going to have in the navigation? 
	 - link to previous page 
	 - links to specific pages 
	 - link to next page 
 */  
 var navigation_html = '<a class="previous_link" href="javascript:previous();">Prev</a>';  
 var current_link = 0;  
 while(number_of_pages > current_link){  
	 navigation_html += '<a class="page_link" href="javascript:go_to_page(' + current_link +')" longdesc="' + current_link +'">'+ (current_link + 1) +'</a>';  
	 current_link++;  
 }  
 navigation_html += '<a class="next_link" href="javascript:next();">Next</a>';  

 $('.page_navigation').html(navigation_html);  

 //add active_page class to the first page link  
 $('.page_navigation .page_link:first').addClass('active_page');  

 //hide all the elements inside content div  
 $('#handicap_body').children().css('display', 'none');  

 //and show the first n (show_per_page) elements  
 $('#handicap_body').children().slice(0, show_per_page).css("display", ""); 
});

function previous(){  
	 var new_page = parseInt($('#current_page').val()) - 1;  
	 //if there is an item before the current active link run the function  
	 //if($('.active_page').prev('.page_link').length==true){
	 if($('.active_page').prev('.page_link').html() != null){
		 go_to_page(new_page);
	 }  
   
 }  
   
 function next(){  
	 var new_page = parseInt($('#current_page').val()) + 1;
	 //if there is an item after the current active link run the function
	 //if($('.active_page').next('.page_link').length==true){
	 if($('.active_page').next('.page_link').html() != null){
		 go_to_page(new_page);
	 }  
   
 }
 function go_to_page(page_num){  
	 //get the number of items shown per page  
	 var show_per_page = parseInt($('#show_per_page').val());  
   
	 //get the element number where to start the slice from  
	 start_from = page_num * show_per_page;  
   
	 //get the element number where to end the slice  
	 end_on = start_from + show_per_page;  
   
	 //hide all children elements of content div, get specific items and show them  
	 $('#handicap_body').children().css('display', 'none').slice(start_from, end_on).css('display', '');  
   
	 /*get the page link that has longdesc attribute of the current page and add active_page class to it 
	 and remove that class from previously active page link*/  
	 $('.page_link[longdesc=' + page_num +']').addClass('active_page').siblings('.active_page').removeClass('active_page');  
   
	 //update the current page input field
	 $('#current_page').val(page_num);  
 }  
