$.fn.pager = function(clas, options) { var settings = { navId: 'nav', navClass: 'nav', navAttach: 'append', highlightClass: 'highlight', prevText: '&laquo;', nextText: '&raquo;', linkText: null, linkWrap: null, height: null }; if(options) $.extend(settings, options); return this.each( function () { var me = $(this); var size; var i = 0; var navid = '#'+settings.navId; function init () { size = $(clas, me).not(navid).size(); if(settings.height == null) { settings.height = getHighest(); } if(size > 1) { makeNav(); show(); highlight(); } sizePanel(); if(settings.linkWrap != null) { linkWrap(); } } function makeNav () { var str = '<div id="'+settings.navId+'" class="'+settings.navClass+'">'; str += '<a href="#" rel="prev" id="prev">'+settings.prevText+'</a>'; str += '<a href="#" rel="next"  id="next">'+settings.nextText+'</a>'; for(var i = 0; i < size; i++) { var j = i+1; str += '<a href="#" class="num" rel="'+j+'">'; str += (settings.linkText == null) ? j : settings.linkText[j-1]; str += '</a>'; }
str += '</div>'; switch (settings.navAttach) { case 'before': $(me).before(str); break; case 'after': $(me).after(str); break; case 'prepend': $(me).prepend(str); break; default: $(me).append(str); break; } } function show () { $(me).find(clas).not(navid).hide(); var show = $(me).find(clas).not(navid).get(i); $(show).show(); } function highlight () { $(me).find(navid).find('a').removeClass(settings.highlightClass); var show = $(me).find(navid).find('a').get(i+2); $(show).addClass(settings.highlightClass); } function sizePanel () { if($.browser.msie) { $(me).find(clas).not(navid).css( { height: settings.height }); } else { $(me).find(clas).not(navid).css( { minHeight: settings.height }); } } function getHighest () { var highest = 0; $(me).find(clas).not(navid).each(function () { if(this.offsetHeight > highest) { highest = this.offsetHeight; } }); highest = highest + "px"; return highest; } function getNavHeight () { var nav = $(navid).get(0); return nav.offsetHeight; } function linkWrap () {
$(me).find(navid).find("a").wrap(settings.linkWrap); } init(); $(this).find(navid).find("a").click(function () { if($(this).attr('rel') == 'next') { if(i + 1 < size) { i = i+1; } } else if($(this).attr('rel') == 'prev') { if(i > 0) { i = i-1; } } else { var j = $(this).attr('rel'); i = j-1; } show(); highlight(); return false; }); }); };