/**
 * 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
 */
 
 
//Tabs 
$(document).ready(function(){
$('#tabs span').hide(); // Hide all divs
$('#tabs span:first').show(); // Show the first div
$('#tabs ul li:first').addClass('active'); // Set the class of the first link to active
$('#tabs ul li a').click(function(){ //When any link is clicked
$('#tabs ul li').removeClass('active'); // Remove active class from all links
$(this).parent().addClass('active'); //Set clicked link class to active
var currentTab = $(this).attr('href'); // Set variable currentTab to value of href attribute of clicked link
$('#tabs span').hide(); // Hide all divs
$(currentTab).show(); // Show div with id equal to variable currentTab
return false;
});
});

$(document).ready(function(){			   
$('#history_tabs span').hide(); // Hide all divs
$('#history_tabs span:first').show(); // Show the first div
$('#history_tabs ul li:first').addClass('active'); // Set the class of the first link to active
$('#history_tabs ul li a').click(function(){ //When any link is clicked
$('#history_tabs ul li').removeClass('active'); // Remove active class from all links
$(this).parent().addClass('active'); //Set clicked link class to active
var currentTab = $(this).attr('href'); // Set variable currentTab to value of href attribute of clicked link
$('#history_tabs span').hide(); // Hide all divs
$(currentTab).show(); // Show div with id equal to variable currentTab
return false;
});
});
//End Tabs 


//First Pagination Set
		function pageselectCallback(page_index, jq){
				var num_entries = $('#hiddenresult div.result').length;
				var items_per_page = 8;
				var max_elem = Math.min((page_index + 1) * items_per_page, num_entries);
				
				var newContent = '';
				for(var j = page_index * items_per_page; j < max_elem; j++){
					newContent += $('#hiddenresult div.result:eq(' + j + ')').html();
				}
                $('#searchresult').html(newContent);
                return false;
            }
           
            /** 
             * Callback function for the AJAX content loader.
             */
            function initPagination() {
                var num_entries = $('#hiddenresult div.result').length;
                // Create pagination element
                $("#pagination").pagination(num_entries, {
                    num_display_entries: 10,
                    callback: pageselectCallback,
                    items_per_page: 8
                });
             }    
			// Load HTML snippet with AJAX and insert it into the Hiddenresult element
			// When the HTML has loaded, call initPagination to paginate the elements
				$(document).ready(function(){
				$('#hiddenresult').hide();
			    initPagination();
			});
//End First Pagination Set


//Second Pagination Set
		function pageselectCallback2(page_index2, kq){
				var num_entries2 = $('#hiddenresult2 div.result2').length;
				var items_per_page2 = 8;
				var max_elem2 = Math.min((page_index2 + 1) * items_per_page2, num_entries2);
				
				var newContent2 = '';
				for(var k = page_index2 * items_per_page2; k < max_elem2; k++){
					newContent2 += $('#hiddenresult2 div.result2:eq(' + k + ')').html();
				}
                $('#searchresult2').html(newContent2);
                return false;
            }
           
            /** 
             * Callback function for the AJAX content loader.
             */
            function initPagination2() {
                var num_entries2 = $('#hiddenresult2 div.result2').length;
                // Create pagination element
                $("#pagination2").pagination(num_entries2, {
                    num_display_entries: 10,
                    callback: pageselectCallback2,
                    items_per_page: 8
                });
             }    
			// Load HTML snippet with AJAX and insert it into the Hiddenresult element
			// When the HTML has loaded, call initPagination to paginate the elements
				$(document).ready(function(){
				$('#hiddenresult2').hide();
			    initPagination2();
			});
//End Second Pagination Set


//Third Pagination Set
		function pageselectCallback3(page_index3, lq){
				var num_entries3 = $('#hiddenresult3 div.result3').length;
				var items_per_page3 = 8;
				var max_elem3 = Math.min((page_index3 + 1) * items_per_page3, num_entries3);
				
				var newContent3 = '';
				for(var l = page_index3 * items_per_page3; l < max_elem3; l++){
					newContent3 += $('#hiddenresult3 div.result3:eq(' + l + ')').html();
				}
                $('#searchresult3').html(newContent3);
                return false;
            }
           
            /** 
             * Callback function for the AJAX content loader.
             */
            function initPagination3() {
                var num_entries3 = $('#hiddenresult3 div.result3').length;
                // Create pagination element
                $("#pagination3").pagination(num_entries3, {
                    num_display_entries: 10,
                    callback: pageselectCallback3,
                    items_per_page: 8
                });
             }    
			// Load HTML snippet with AJAX and insert it into the Hiddenresult element
			// When the HTML has loaded, call initPagination to paginate the elements
				$(document).ready(function(){
				$('#hiddenresult3').hide();
			    initPagination3();
			});
//End Third Pagination Set


//Fourth Pagination Set
		function pageselectCallback4(page_index4, mq){
				var num_entries4 = $('#hiddenresult4 div.result4').length;
				var items_per_page4 = 8;
				var max_elem4 = Math.min((page_index4 + 1) * items_per_page4, num_entries4);
				
				var newContent4 = '';
				for(var m = page_index4 * items_per_page4; m < max_elem4; m++){
					newContent4 += $('#hiddenresult4 div.result4:eq(' + m + ')').html();
				}
                $('#searchresult4').html(newContent4);
                return false;
            }
           
            /** 
             * Callback function for the AJAX content loader.
             */
            function initPagination4() {
                var num_entries4 = $('#hiddenresult4 div.result4').length;
                // Create pagination element
                $("#pagination4").pagination(num_entries4, {
                    num_display_entries: 10,
                    callback: pageselectCallback4,
                    items_per_page: 8
                });
             }    
			// Load HTML snippet with AJAX and insert it into the Hiddenresult element
			// When the HTML has loaded, call initPagination to paginate the elements
				$(document).ready(function(){
				$('#hiddenresult4').hide();
			    initPagination4();
			});
			
//End Fourth Pagination Set


//Pagination Functions
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() {
		/**
		 * 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 = numPages();
			// This helper function returns a handler function that calls pageSelected with the right page_id
			var getClickHandler = function(page_id) {
				return function(evt){ return pageSelected(page_id,evt); };
			};
			// Helper function for generating a single link (or a span tag if it's the current page)
			var appendItem = function(page_id, appendopts){
				page_id = page_id<0?0:(page_id<np?page_id:np-1); // Normalize page id to sane value
				appendopts = jQuery.extend({text:page_id+1, classes:""}, appendopts||{});
				if(page_id == current_page){
					var lnk = jQuery("<div class='current'>"+(appendopts.text)+"</div>");
				}
				else
				{
					var lnk = jQuery("<a>"+(appendopts.text)+"</a>")
						.bind("click", getClickHandler(page_id))
						.attr('href', opts.link_to.replace(/__id__/,page_id));
						
						
				}
				if(appendopts.classes){lnk.addClass(appendopts.classes);}
				panel.append(lnk);
			};
			// Generate "Previous"-Link
			if(opts.prev_text && (current_page > 0 || opts.prev_show_always)){
				appendItem(current_page-1,{text:opts.prev_text, classes:"prev"});
			}
			// Generate starting points
			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("<span>"+opts.ellipse_text+"</span>").appendTo(panel);
				}
			}
			// Generate interval links
			for(var i=interval[0]; i<interval[1]; i++) {
				appendItem(i);
			}
			// Generate ending points
			if (interval[1] < np && opts.num_edge_entries > 0)
			{
				if(np-opts.num_edge_entries > interval[1]&& opts.ellipse_text)
				{
					jQuery("<span>"+opts.ellipse_text+"</span>").appendTo(panel);
				}
				var begin = Math.max(np-opts.num_edge_entries, interval[1]);
				for(var i=begin; i<np; i++) {
					appendItem(i);
				}
				
			}
			// Generate "Next"-Link
			if(opts.next_text && (current_page < np-1 || opts.next_show_always)){
				appendItem(current_page+1,{text:opts.next_text, classes:"next"});
			}
		}
		
		// Extract current_page from options
		var current_page = opts.current_page;
		// Create a sane value for maxentries and items_per_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;
		// Store DOM element for easy access from all inner functions
		var panel = jQuery(this);
		// Attach control functions to the DOM element 
		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;
			}
		};
		// When all initialisation is done, draw the links
		drawLinks();
        // call callback function
        opts.callback(current_page, this);
	});
};