//Featured Content Glider: By http://www.dynamicdrive.com
//Created: Dec 22nd, 07'
//Updated (Jan 29th, 08): Added four possible slide directions: "updown", "downup", "leftright", or "rightleft"
//Updated (Feb 1st, 08): Changed glide behavior to reverse direction when previous button is clicked
//Updated (Feb 12th, 08): Added ability to retrieve gliding contents from an external file using Ajax ("remotecontent" variable added to configuration)
//Updated (July 21st, 09): Updated to work in jQuery 1.3.x

//jQuery.noConflict()

var featuredcontentglider2={
	csszindex: 100,
	ajaxloadingmsg: '<b>Fetching Content. Please wait...</b>',
	glide:function(config, showpage, isprev){
		var selected=parseInt(showpage)
		if (selected>=config.$contentdivs.length){ //if no content exists at this index position
			//alert("No content exists at page "+(selected+1)+"! Loading 1st page instead.")
			selected=0
		}
		var $target=config.$contentdivs.eq(selected)
		//Test for toggler not being initialized yet, or user clicks on the currently selected page):
		if (config.$togglerdiv.attr('lastselected')==null || parseInt(config.$togglerdiv.attr('lastselected'))!=selected){
			if ($('#innernav').css("left") == "0px" || $('#innernav').css("left") == "auto") {
				var $selectedlink=config.$toc.eq(selected)
				if ($($($selectedlink).parent()).html() == $('.glideitem:first').html()) {
					isprev="previous";
				}
				config.$next.attr('loadpage', (selected<config.$contentdivs.length-1)? selected+1+'pg' : 0+'pg')
				config.$prev.attr('loadpage', (selected==0)? config.$contentdivs.length-1+'pg' : selected-1+'pg')
				var startpoint=(isprev=="previous")? -config.startpoint : config.startpoint
				$target.css(config.leftortop, startpoint).css("zIndex", this.csszindex++) //hide content so it's just out of view before animating it
				var endpoint=(config.leftortop=="left")? {left:0} : {top:0} //animate it into view
				$target.hide();
				$target.css("left","0");
				$target.fadeIn('slow');
				//$target.animate(endpoint, config.speed)
				var notfirst = false;
				//if (config.$togglerdiv.attr('lastselected')!=null) {
				if (isprev=="previous") {
					featuredcontentglider2.movecontentback(config, showpage, isprev, $selectedlink, selected);
				} else {
					featuredcontentglider2.movecontentforward(config, showpage, isprev, $selectedlink, selected);
				}
			}
		}
	},

	movecontentback:function(config, showpage, isprev, $selectedlink, selected){
		//$('#innernav .glideitem:first').before("<div class='glideitem' style='display:none'></div>");
		//$('#innernav .glideitem:first').html($('.glideitem:last a').clone());
		//$('#innernav .glideitem:first').show();
		//$('#innernav').css("left","-61px");
		//$('#innernav').stop().animate({"left":"+=61px"}, "slow",function(){
			//$('#innernav .glideitem:first').html($('#innernav .glideitem:last a'));
			//$('#innernav .glideitem:last').remove();
			config.$toc.removeClass('selected');  //remove selected from all thumbs
			$selectedlink.addClass('selected');   //add selected to current thumb
			config.$togglerdiv.attr('lastselected', selected+'pg');
		//});
	},
	
	movecontentforward:function(config, showpage, isprev,$selectedlink, selected){
		config.$toc.removeClass('selected');  //remove selected from all thumbs
		$selectedlink.addClass('selected');   //add selected to current thumb
		if (config.$togglerdiv.attr('lastselected')!=null) {
			//$('#innernav').append("<div class='glideitem'></div>");
			//$('#innernav .glideitem:last').append($('.glideitem:first a').clone());
			//$('#innernav').stop().animate({"left":"-=61px"}, "slow", function(){
				//$('#innernav .glideitem:last').html($('#innernav .glideitem:first a'));
				//$(this).css("left","0px");
				//$('#innernav .glideitem:first').remove();
			//});
		}
		config.$togglerdiv.attr('lastselected', selected+'pg');
	},
	
	getremotecontent:function($, config){
		config.$glider.html(this.ajaxloadingmsg)
		$.ajax({
			url: config.remotecontent,
			error:function(ajaxrequest){
				config.$glider.html('Error fetching content.<br />Server Response: '+ajaxrequest.responseText)
			},
			success:function(content){
				config.$glider.html(content)
				featuredcontentglider2.setuptoggler($, config)
			}
		})
	},

	aligncontents:function($, config){
		config.$contentdivs=$("#"+config.gliderid+" ."+config.contentclass)
		config.$contentdivs.css(config.leftortop, config.startpoint).css({height: config.$glider.height(), visibility: 'visible'}) //position content divs so they're out of view:
	},

	setuptoggler:function($, config){
		this.aligncontents($, config)
		config.$togglerdiv.hide()
		config.$toc.each(function(index){
				$(this).attr('pagenumber', index+'pg')
				if (index > (config.$contentdivs.length-1))
					$(this).css({display: 'none'}) //hide redundant "toc" links
		})
		var $nextandprev=$("#"+config.togglerid+" .next, #"+config.togglerid+" .prev")
		$nextandprev.click(function(event){ //Assign click behavior to 'next' and 'prev' links
			featuredcontentglider2.glide(config, this.getAttribute('loadpage'), this.getAttribute('buttontype'))
			event.preventDefault() //cancel default link action
		})
		config.$toc.click(function(event){ //Assign click behavior to 'toc' links
			featuredcontentglider2.glide(config, this.getAttribute('pagenumber'))
			event.preventDefault()
		})
		config.$togglerdiv.fadeIn(5000, function(){
			featuredcontentglider2.glide(config, config.selected)
			if (config.autorotate==true){ //auto rotate contents?
				config.stepcount=0 //set steps taken
				config.totalsteps=config.$contentdivs.length*config.autorotateconfig[1] //Total steps limit: num of contents x num of user specified cycles)
				featuredcontentglider2.autorotate(config)
			}
		})
		config.$togglerdiv.click(function(){
			featuredcontentglider2.cancelautorotate(config.togglerid)
		})
	},

	autorotate:function(config){
		var rotatespeed=config.speed+config.autorotateconfig[0]
		window[config.togglerid+"timer"]=setInterval(function(){
			if (config.totalsteps>0 && config.stepcount>=config.totalsteps){
				clearInterval(window[config.togglerid+"timer"])
			}
			else{
				config.$next.triggerHandler('click')
				config.stepcount++
			}
		}, rotatespeed)
	},

	cancelautorotate:function(togglerid){
		if (window[togglerid+"timer"])
			clearInterval(window[togglerid+"timer"])
	},

	getCookie:function(Name){ 
		var re=new RegExp(Name+"=[^;]+", "i") //construct RE to search for target name/value pair
		if (document.cookie.match(re)) //if cookie found
			return document.cookie.match(re)[0].split("=")[1] //return its value
		return null
	},

	setCookie:function(name, value){
		document.cookie = name+"="+value
	},

	init:function(config){
		jQuery(document).ready(function($){
			config.$glider=$("#"+config.gliderid)
			config.$togglerdiv=$("#"+config.togglerid)
			config.$toc=config.$togglerdiv.find('.toc')
			config.$next=config.$togglerdiv.find('.next')
			config.$prev=config.$togglerdiv.find('.prev')
			config.$prev.attr('buttontype', 'previous')
			var selected=(config.persiststate)? featuredcontentglider2.getCookie(config.gliderid) : config.selected
			config.selected=(isNaN(parseInt(selected))) ? config.selected : selected //test for cookie value containing null (1st page load) or "undefined" string	
			config.leftortop=(/up/i.test(config.direction))? "top" : "left" //set which CSS property to manipulate based on "direction"
			config.heightorwidth=(/up/i.test(config.direction))? config.$glider.height() : config.$glider.width() //Get glider height or width based on "direction"
			config.startpoint=(/^(left|up)/i.test(config.direction))? -config.heightorwidth : config.heightorwidth //set initial position of contents based on "direction"
			if (typeof config.remotecontent!="undefined" && config.remotecontent.length>0)
				featuredcontentglider2.getremotecontent($, config)
			else
				featuredcontentglider2.setuptoggler($, config)
			$(window).bind('unload', function(){ //clean up and persist
				config.$togglerdiv.unbind('click')
				config.$toc.unbind('click')
				config.$next.unbind('click')
				config.$prev.unbind('click')
				if (config.persiststate)
					featuredcontentglider2.setCookie(config.gliderid, config.$togglerdiv.attr('lastselected'))
				config=null
				
			})
		})
	}
}

function buildImageList() {
	$('#slide_viewer').html("Loading...<img src='/atf/cf/{aa054551-9f6f-400f-8684-a92f49708887}/loading.gif' />");	
	$.get("/c.psKZL3PFLrF/b.6114303/k.88EB/Photo_Gallery/siteapps/tools/PhotoGallery.aspx",function(data){
		var html = '';
		var htmltoc = '<a href="#" class="prev pickImage1">&laquo; Prev</a><div id="outernav"><div id="innernav">';
		$(data).find('#pg_summary img').each(function(i){
			var imgsrc = $(this).attr("src");
			html += "<div class='glidecontent'><div class='glideimage'><a href='"+$(data).find('#pg_summary .pg_shortdescriptor:eq('+i+')').html().replace("&nbsp;","")+"#'><img src='"+imgsrc+"' border=0/></a></div>";
			html += "	<div  class='slide_info'><div class='slide_credit'>"+$(data).find('#pg_summary .pg_longdescriptor:eq('+i+')').html()+"</div></div>";
			html += '</div>';
			htmltoc += '<div class="glideitem"><a href="#" class="toc">'+(i+1)+'</a></div>';
		});
		htmltoc += '</div></div>&nbsp;&nbsp;&nbsp;<a href="#" class="next pickImage1">Next &raquo;</a>';
		$('#slide_viewer').html(html);	
		$('.glidecontenttoggler').html(htmltoc);
		featuredcontentglider2.init({
			gliderid: "slide_viewer", //ID of main glider container
			contentclass: "glidecontent", //Shared CSS class name of each glider content
			togglerid: "p-select", //ID of toggler container	
			remotecontent: "", //Get gliding contents from external file on server? "filename" or "" to disable
			selected: 0, //Default selected content index (0=1st)
			persiststate: false, //Remember last content shown within browser session (true/false)?
			speed: 500, //Glide animation duration (in milliseconds)
			direction: "rightleft", //set direction of glide: "updown", "downup", "leftright", or "rightleft"
			autorotate: true, //Auto rotate contents (true/false)?
			autorotateconfig: [6000, 10] //if auto rotate enabled, set [milliseconds_btw_rotations, cycles_before_stopping]
		});
	});
}
