/**
 * 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
 */
jQuery.fn.pagination=function(maxentries,opts){opts=jQuery.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(){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,panel);if(!continuePropagation){if(evt.stopPropagation){evt.stopPropagation();
}else{evt.cancelBubble=true;}}return continuePropagation;}function drawLinks(){panel.empty();var interval=getInterval();var np=numPages();var getClickHandler=function(page_id){return function(evt){return pageSelected(page_id,evt);
};};var appendItem=function(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=jQuery("<li class='on'><span>"+(appendopts.text)+"</span></li>");
}else{var lnk=jQuery("<li><a>"+(appendopts.text)+"</a></li>").bind("click",getClickHandler(page_id)).attr("href",opts.link_to.replace(/__id__/,page_id));}if(appendopts.classes){lnk.addClass(appendopts.classes);
}panel.append(lnk);};if(opts.prev_text&&(current_page>0||opts.prev_show_always)){appendItem(current_page-1,{text:opts.prev_text,classes:"prev"});}if(interval[0]>0&&opts.num_edge_entries>0){var end=Math.min(opts.num_edge_entries,interval[0]);
for(var i=0;i<end;i++){appendItem(i);}if(opts.num_edge_entries<interval[0]&&opts.ellipse_text){jQuery('<li class="ellipsis"><span>'+opts.ellipse_text+"</span></li>").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){jQuery('<li class="ellipsis"><span>'+opts.ellipse_text+"</span></li>").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"});
}}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=jQuery(this);
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();});};