jQuery.fn.pagination = function(maxentries, opts){
    opts = jQuery.extend({
        items_per_page:10,
        num_display_entries:5,
        current_page:0,
        num_edge_entries:2,
        link_to:"#",
        prev_text:"UP",
        next_text:"Next",
        home_text:"Fast",
        end_text:"LOST",
        ellipse_text:"...",
        prev_show_always:true,
        next_show_always:true,
        callback:function(){
            return false;
        }
    },opts||{});

    return this.each(function() {
        var current_page = opts.current_page;
        maxentries = (!maxentries || maxentries < 0)?1:maxentries;
        opts.items_per_page = (!opts.items_per_page || opts.items_per_page < 0)?1:opts.items_per_page;
        var panel = $("#Pagination");
        // Attach control functions to the DOM element
        this.selectPage = function(page_id){
            pageSelected(page_id);
        }
        this.prevPage = function(){
            if (current_page > 0) {
                pageSelected(current_page - 1);
                return true;
            }
            else {
                return false;
            }
        }
        this.nextPage = function(){
            if(current_page < numPages()-1) {
                pageSelected(current_page+1);
                return true;
            }
            else {
                return false;
            }
        }
        drawLinks();
        function drawLinks() {
            panel.empty();
            var interval = getInterval();
            var np = numPages();
            // This helper function returns a handler function that calls pageSelected with the right page_id
            function getClickHandler(page_id) {
                return function(evt){
                    return pageSelected(page_id,evt);
                }
            }

            function getGopage2(page_id) {
                var page_id=$(this).val();
                var evt=jQuery;
                if (page_id >np){
                    page_id=np
                    };
                if (page_id<1){
                    page_id=1
                    };
                if(isNaN(page_id)){
                    page_id=1
                    };
                current_page = parseInt(page_id-1);
                pageSelected(current_page,evt);
            }
            /**
			* page_id:NOw page
			* appendopts:Falst name
			*/
            function appendItem(page_id, appendopts){
                page_id = page_id<0?0:(page_id<np?page_id:np-1);
                appendopts = jQuery.extend({
                    text:page_id+1,
                    classes:""
                }, appendopts||{});
                if(page_id == current_page){
                    var lnk = $("<span class='current'>"+(appendopts.text)+"</span>");
                }
                else
                {
                    var lnk = $("<a href=#Pagination>"+(appendopts.text)+"</a>")
                    .bind("click", getClickHandler(page_id))
                }
                if(appendopts.classes){
                    lnk.addClass(appendopts.classes);
                }
                panel.append(lnk);
            }
            if (current_page+1==0){
                appendItem(current_page+1,{
                    text:opts.home_text,
                    classes:"next"
                });
            }else{
                appendItem(0,{
                    text:opts.home_text,
                    classes:"next"
                });
            }
            if(opts.prev_text && (current_page > 0 || opts.prev_show_always)){
                appendItem(current_page-1,{
                    text:opts.prev_text,
                    classes:"next"
                });
            }
            if (interval[0] > 0 && opts.num_edge_entries > 0)
            {

                var end = Math.min(opts.num_edge_entries, interval[0]);
                for(i=0; i<end; i++) {
                    appendItem(i);
                }
                if(opts.num_edge_entries < interval[0] && opts.ellipse_text)
                {
                    $("<span>"+opts.ellipse_text+"</span>").appendTo(panel);
                }
            }
            for(var i=interval[0]; i<interval[1]; i++) {
                appendItem(i);
            }
            if (interval[1] < np && opts.num_edge_entries > 0)
            {
                if(np-opts.num_edge_entries > interval[1]&& opts.ellipse_text)
                {
                    $("<span>"+opts.ellipse_text+"</span>").appendTo(panel);
                }
                var begin = Math.max(np-opts.num_edge_entries, interval[1]);
                for(var i=begin; i<np; i++) {
                    appendItem(i);
                }

            }
            if(opts.next_text && (current_page < np-1 || opts.next_show_always)){
                appendItem(current_page+1,{
                    text:opts.next_text,
                    classes:"next"
                });
            }
            if (current_page+1==np){
                appendItem(current_page+1,{
                    text:opts.end_text,
                    classes:"next"
                });
            }else{
                appendItem(50,{
                    text:opts.end_text,
                    classes:"next"
                });
            }
        //$("<input type='text' id='inputid' value='"+(current_page+1)+"'name='gopageid'>").bind("blur",function(){ getGopage($(this).val(),evt);}).appendTo(panel);
        //$("<input type='text' id='ajaxinputpageid' value='"+(current_page+1)+"' name='gopageid'>").bind("blur",getGopage2).appendTo(panel);
        }
        function numPages() {
            return Math.ceil(maxentries/opts.items_per_page);
        }
        function getInterval()  {
            var ne_half = Math.ceil(opts.num_display_entries/2)
            var np = numPages();
            var upper_limit = np-opts.num_display_entries;
            var start = current_page>ne_half?Math.max(Math.min(current_page-ne_half, upper_limit), 0):0;
            var end = current_page>ne_half?Math.min(current_page+ne_half, np):Math.min(opts.num_display_entries, np);
            return [start,end];
        }
         function pageSelected(page_id, evt){
            current_page = page_id;
            drawLinks();
             var continuePropagation = opts.callback(page_id, opts.items_per_page);
            if (!continuePropagation) {
                if (evt.stopPropagation) {
                    evt.stopPropagation();
                }
                else {
                    evt.cancelBubble = true;
                }
            }
            return continuePropagation;
        }
    });
}