(function($) {
	$.extend({
		tablesorterPager: new function() {
			
			function updatePageDisplay(c) {
				var s = $(c.cssPageDisplay,c.container).text(c.totalPages);	
			}
			
			function setPageSize(table,size) {
				var c = table.config;
				c.size = size;
				c.totalPages = Math.ceil(c.totalRows / c.size);
				c.pagerPositionSet = false;
				moveToPage(table);
				fixPosition(table);
			}
			
			function fixPosition(table) {
				var c = table.config;
				if(!c.pagerPositionSet && c.positionFixed) {
					var c = table.config, o = $(table);
					if(o.offset) {
						c.container.css({
						});
					}
					c.pagerPositionSet = true;
				}
			}
			
			function moveToFirstPage(table) {
				var c = table.config;
				c.page = 0;
				moveToPage(table);
			}
			
			function moveToLastPage(table) {
				var c = table.config;
				c.page = (c.totalPages-1);
				moveToPage(table);
			}
			
			function moveToNextPage(table) {
				var c = table.config;
				c.page++;
				if(c.page >= (c.totalPages-1)) {
					c.page = (c.totalPages-1);
				}
				$(".pagenumber-holder").find(".current").text(c.page+1);
				
				if ($.browser.opera)
				{
					$(".pager-info").hide().fadeIn(150);
				}
				
				moveToPage(table);
			}
			
			function moveToPrevPage(table) {
				var c = table.config;
				c.page--;
				if(c.page <= 0) {
					c.page = 0;
				}
				$(".pagenumber-holder").find(".current").text(c.page+1);
				
				if ($.browser.opera)
				{
					$(".pager-info").hide().fadeIn(150);
				}
				
				moveToPage(table);
			}
						
			
			function moveToPage(table) {
				var c = table.config;
				if(c.page < 0 || c.page > (c.totalPages-1)) {
					c.page = 0;
				}
	
				
				
				renderTable(table,c.rowsCopy);
			}
			
			function renderTable(table,rows) {
				
				var c = table.config;
				var l = rows.length;
				var s = (c.page * c.size);
				var e = (s + c.size);
				if(e > rows.length ) {
					e = rows.length;
				}
				
				
				var tableBody = $(table.tBodies[0]);
				
				// clear the table body
				
				$.tablesorter.clearTableBody(table);
				
			
				for(var i = s; i < e; i++) {
					
					//tableBody.append(rows[i]);
					
					var o = rows[i];
					var l = o.length;
					for(var j=0; j < l; j++) {
						
						tableBody[0].appendChild(o[j]);

					}
				}
				
				fixPosition(table,tableBody);
				
				$(table).trigger("applyWidgets");
				
				if( c.page >= c.totalPages ) {
        			moveToLastPage(table);
				}
				
				updatePageDisplay(c);
				$.tablesorter.reDraw(table);
			}
			
			function initTableSorter(table)
			{
				var _select = $(".pagenumber-holder");
				$(_select).find(".current").click(function()
				{
					if(!$(_select).hasClass("pagenumber-holder-opened"))
					{
						$(_select).find("ul").show();
					}
					else
					{
						$(_select).find("ul").hide();
						
					}
					$(_select).toggleClass("pagenumber-holder-opened");
				});
				$(_select).find("ul li a").each(function(i, el)
				{
					$(el).click(function()
					{
						$(_select).find(".current").text($(this).text());
						$(_select).find("ul").hide();
						
						if ($.browser.opera)
						{
							$(".pager-info").hide().fadeIn(150);
							window.scrollTo(0, 0);
							setTimeout(function() {window.scrollTo(0, 9999);}, 1);
						}
					
						
						$(_select).removeClass("pagenumber-holder-opened");
						
						var c = table.config;
						c.page = i;
						moveToPage(table);
					});
				});
			}
			
			this.appender = function(table,rows) {
				
				var c = table.config;
				
				c.rowsCopy = rows;
				c.totalRows = rows.length;
				c.totalPages = Math.ceil(c.totalRows / c.size);
				
				renderTable(table,rows);
			};
			
			this.defaults = {
				size: 10,
				offset: 0,
				page: 0,
				totalRows: 0,
				totalPages: 0,
				container: null,
				cssNext: '.next',
				cssPrev: '.prev',
				cssFirst: '.first',
				cssLast: '.last',
				cssPageDisplay: '.pagedisplay',
				cssPageSize: '.pagesize',
				seperator: "/",
				positionFixed: true,
				appender: this.appender
			};
			
			this.construct = function(settings) {
				
				return this.each(function() {	
					
					config = $.extend(this.config, $.tablesorterPager.defaults, settings);
					
					var table = this, pager = config.container;
				
					$(this).trigger("appendCache");
					
					//config.size = parseInt(10);
					
					
					var c = table.config;
					var string = "";
					for(var i=0; i<c.totalPages; i++)
					{
						string += "<li><a href='javascript:;'>" + parseInt(i+1) + "</a></li>"
					}
					$(".pagenumber").html(string);
					initTableSorter(table);
					
					$(config.cssFirst,pager).click(function() {
						moveToFirstPage(table);
						return false;
					});
					$(config.cssNext,pager).click(function() {
						moveToNextPage(table);
						
						return false;
					});
					$(config.cssPrev,pager).click(function() {
						moveToPrevPage(table);
						
						return false;
					});
					$(config.cssLast,pager).click(function() {
						moveToLastPage(table);
						return false;
					});
					$(config.cssPageSize,pager).change(function() {
						setPageSize(table,parseInt($(this).val()));
						return false;
					});
				});
			};
			
		}
	});
	// extend plugin scope
	$.fn.extend({
        tablesorterPager: $.tablesorterPager.construct
	});
	
})(jQuery);