$(document).ready(function() {
	//Pagination
	var show_per_page = 10; 
	var number_of_items = $('ul.paging').children().size();
	var number_of_pages = Math.ceil(number_of_items/show_per_page); 
	
	$('#current_page').val(0);  
	$('#show_per_page').val(show_per_page);
	
	var navigation_html = '<a class="previous_link" href="javascript:previous();">&laquo;</a> - ';  
	var current_link = 0;  
	
	if (number_of_items != 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();">&raquo;</a>'; 
		
		$('#page_navigation').html(navigation_html);
		$('#page_navigation .page_link:first').addClass('active_page');
		$('ul.paging').children().css('display', 'none');
		$('ul.paging').children().slice(0, show_per_page).css('display', 'block');
	}

});




 function previous(){  
   
     new_page = parseInt($('#current_page').val()) - 1;  
     if($('.active_page').prev('.page_link').length==true){  
         go_to_page(new_page);  
     }   
 }  
   
 function next(){  
     new_page = parseInt($('#current_page').val()) + 1;  
     if($('.active_page').next('.page_link').length==true){  
         go_to_page(new_page);  
     }  
   
 }  
 function go_to_page(page_num){  
     var show_per_page = parseInt($('#show_per_page').val());  
     start_from = page_num * show_per_page;  
     end_on = start_from + show_per_page;  

     $('.paging').children().css('display', 'none').slice(start_from, end_on).css('display', 'block');  
     $('.page_link[longdesc=' + page_num +']').addClass('active_page').siblings('.active_page').removeClass('active_page');  
     $('#current_page').val(page_num);  
 }