jquery pagination

by Abhay Singh

HTML

<div id="Pagination" class="pagination"></div>
  <br style="clear:both;" />
  <div id="Searchresult"></div>
  
  <div id="hiddenresult" style="display:none;"> 
    <div class="result">Result #1</div>
    <div class="result">Result #2</div>
    <div class="result">Result #3</div>
    <div class="result">Result #4</div>
    <div class="result">Result #5</div>
    <div class="result">Result #6</div>
    <div class="result">Result #7</div>
    <div class="result">Result #1</div>
    <div class="result">Result #2</div>
    <div class="result">Result #3</div>
    <div class="result">Result #4</div>
    <div class="result">Result #5</div>
    <div class="result">Result #6</div>
    <div class="result">Result #7</div>
    <div class="result">Result #1</div>
    <div class="result">Result #2</div>
    <div class="result">Result #3</div>
    <div class="result">Result #4</div>
    <div class="result">Result #5</div>
    <div class="result">Result #6</div>
    <div class="result">Result #7</div>
    <div class="result">Result #1</div>
    <div class="result">Result #2</div>
    <div class="result">Result #3</div>
    <div class="result">Result #4</div>
    <div class="result">Result #5</div>
    <div class="result">Result #6</div>
    <div class="result">Result #7</div>
    <div class="result">Result #1</div>
    <div class="result">Result #2</div>
    <div class="result">Result #3</div>
    <div class="result">Result #4</div>
    <div class="result">Result #5</div>
    <div class="result">Result #6</div>
    <div class="result">Result #7</div>
    
  </div>

CSS

body { background-color: #000; font: 16px Helvetica, Arial; color: #fff; }
    .pagination { font-size: 80%; }
    .pagination a { text-decoration: none; border: solid 1px #AAE; color: #15B; }
    .pagination a, .pagination span { display: block; float: left; padding: 0.3em 0.5em; margin-right: 5px; margin-bottom: 5px; }
    .pagination .current { background: #26B; color: #fff; border: solid 1px #AAE; }
    .pagination .current.prev, .pagination .current.next{ color:#999; border-color:#999; background:#fff; }

JavaScript

/**
 * This jQuery plugin displays pagination links inside the selected elements.
 *
 * @author Gabriel Birke (birke *at* d-scribe *dot* de)
 * @version 1.2
 * @param {int} maxentries Number of entries to paginate
 * @param {Object} opts Several options (see README for documentation)
 * @return {Object} jQuery Object
 */
$.fn.pagination = function(maxentries, opts){
	opts = $.extend({
		items_per_page:10,
		num_display_entries:10,
		current_page:0,
		num_edge_entries:0,
		link_to:"#",
		prev_text:"Prev",
		next_text:"Next",
		ellipse_text:"...",
		prev_show_always:true,
		next_show_always:true,
		callback:function(){return false;}
	},opts||{});
	
	return this.each(function() {
		/**
		 * Calculate the maximum number of pages
		 */
		function numPages() {
			return Math.ceil(maxentries/opts.items_per_page);
		}
		
		/**
		 * Calculate start and end point of pagination links depending on 
		 * current_page and num_display_entries.
		 * @return {Array}
		 */
		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];
		}
		
		/**
		 * This is the event handling function for the pagination links. 
		 * @param {int} page_id The new page number
		 */
		function pageSelected(page_id, evt){
			current_page = page_id;
			drawLinks();
			var continuePropagation = opts.callback(page_id, panel);
			if (!continuePropagation) {
				if (evt.stopPropagation) {
					evt.stopPropagation();
				}
				else {
					evt.cancelBubble = true;
				}
			}
			return continuePropagation;
		}
		
		/**
		 * This function inserts the pagination links into the container element
		 */
		function drawLinks() {
			panel.empty();
			var interval = getInterval();
			var np =...