/* ===========================================================================
 *
 * JQuery Quick Pagination
 * Version 1.0.1
 * Quick and dirty pagination for pretty much any set of elements on the page.
 *
 * Author: Mark Perkins
 * Author email: mark@allmarkedup.com
 * For full documentation and more go to http://projects.allmarkedup.com/jquery_quick_paginate/
 *
 * ---------------------------------------------------------------------------
 */
jQuery.fn.quickpaginate = function( settings ) {
	settings = jQuery.extend({
		perpage: 6,
		pager : null,
		showcounter : true,
		prev : "qp_next",
		next : "qp_prev",
		pagenumber : "qp_pagenumber",
		totalnumber : "qp_totalnumber",
		counter : "qp_counter",
		offpg : "on"
	}, settings);
	var cm;
	var total;
	var last = false;
	var first = true;
	var items = jQuery(this);
	var nextbut ;
	var prevbut;
	var init = function(){
		items.show();
		total = items.size();	
		if ( items.size() > settings.perpage ){
			items.filter(":gt("+(settings.perpage-1)+")").hide();
			cm = settings.perpage;
			setNav();
		}
	};
	var goNext = function(){
		if ( !last ){
			var nm = cm + settings.perpage;
			items.hide();
			items.slice( cm, nm ).show();
			cm = nm;
			if ( cm >= total  ){
				last = true;
				nextbut.addClass("qp_disabled");
			}
			if ( settings.showcounter ) settings.pager.find("."+settings.pagenumber).text(cm/settings.perpage);
			prevbut.removeClass("qp_disabled");
			first = false;
		}
	};
	var goPrev = function(){
		if ( !first ){
			var nm = cm-settings.perpage;
			items.hide();
			items.slice( (nm - settings.perpage), nm ).show();
			cm = nm;
			if ( cm == settings.perpage  ){
				first = true;
				prevbut.addClass("qp_disabled");
			}
			if ( settings.showcounter ) settings.pager.find("."+settings.pagenumber).text(cm/settings.perpage);
			nextbut.removeClass("qp_disabled");
			last = false;
		}
	};
	var setNav = function(){
		if ( settings.pager === null ){	
			settings.pager = jQuery('<div class="qc_pager"></div>');
			items.eq( items.size() -1 ).after(settings.pager);
		}
		if(settings.offpg === "on"){
		var pagerNav = $('<a class="'+settings.prev+'" href="#">&laquo; Prev</a><a class="'+settings.next+'" href="#">Next &raquo;</a>');
		}
		jQuery(settings.pager).append( pagerNav );
		if ( settings.showcounter ){
var counter = '<span class="'+settings.counter+'"><span class="'+settings.pagenumber+'"></span> / <span class="'+settings.totalnumber+'"></span></span>';
			settings.pager.find("."+settings.prev).after( counter );
			settings.pager.find("."+settings.pagenumber).text( 1 );
			settings.pager.find("."+settings.totalnumber).text( Math.ceil(total / settings.perpage) );
		}
		nextbut = settings.pager.find("."+settings.next);
		prevbut = settings.pager.find("."+settings.prev);
		prevbut.addClass("qp_disabled");
		nextbut.click(function(){
			goNext();
			return false;
		});
		prevbut.click(function(){
			goPrev();
			return false;
		});
	};
	init(); // run the function
};