(function($){

	$.fn.pager = function(clas, options) {
	
		var settings = {
			navId: 'nav',
			navClass: 'nav',
			navAttach: 'append',
			highlightClass: 'highlight',
			prevText: '«',
			nextText: '»',
			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+'"><div class="pageL">';
				str += '<a href="#" rel="prev">'+settings.prevText+'</a></div>';
	
				/**
				* @author dgt <ttn329@gmail.com>
				* @date modi by 2009-04-12
				*/
				/*
				for(var i = 0; i < size; i++) {
					var j = i+1;
					str += '<a href="#" rel="'+j+'">';
					str += (settings.linkText == null) ? j : settings.linkText[j-1];
					str += '</a>';
				}
				str += '<a href="#" rel="next">'+settings.nextText+'</a>';
				*/
	
				/**
				* @author dgt <ttn329@gmail.com>
				* @date modi by 2009-04-12
				*/
				str += '<div class="pageM">'+ i +'/'+size+'</div><div class="pageR"><a href="#" rel="next" class="a_n">'+settings.nextText+'</a></div>';
				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 () {
				$("#"+settings.navId).find('.pageM').text(parseInt(i+1)+'/'+size);
				//$("."+settings.navId).html(i+1+'/'+size);
				$(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+1);
				$(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();
			$(navid).find("a").click(t);
			function t() {
				if($(this).attr('rel') == 'next') {
					if(i + 1 < size) {
						i = i+1;
					}
					/**
					*
					* dgt add
					* begin:
					*/
					else
					{
						i = 0;
					}
					/** end; */
				} 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;
			}
	
		});
	}
})(jQuery);