/*
	jQuery Coda-Slider v1.1 - http://www.ndoherty.com/coda-slider
	
	Copyright (c) 2007 Niall Doherty
	
	Inspired by the clever folks at http://www.panic.com/coda
	Many thanks to Gian Carlo Mingati. Coda-Slider is a heavily modified version of his slideViewer, which can be found at  http://www.gcmingati.net/wordpress/wp-content/lab/jquery/imagestrip/imageslide-plugin.html
	
	Requirements:
	-  jQuery 1.2 ... available via  http://www.jquery.com
	-  jQuery easing plugin (1.2) ... available via  http://gsgd.co.uk/sandbox/jquery/easing/
	- jQuery easing compatability plugin ... available via  http://gsgd.co.uk/sandbox/jquery/easing/
	- CSS included in index.html
*/

jQuery(function(){
	//jQuery("div.csw").prepend("<p class='loading'>Loading...<br /><img src='images/ajax-loader.gif' alt='loading...'/ ></p>");
});
var j = 0;

jQuery.fn.codaSlider = function(settings) {//debugger;
	 settings = jQuery.extend({
     easeFunc: "expoinout",
     easeTime: 750,
     toolTip: false
  }, settings);
	return this.each(function(){
		var container = jQuery(this);
		// Remove the preloader gif...
		//container.find("p.loading").remove();
		// Self-explanatory...
		container.removeClass("csw").addClass("stripViewer");
		// Get the width of a panel, set from CSS...
		var panelWidth = container.find("div.panel").width();
		// panelCount gives us a count of the panels in the container...
		var panelCount = container.find("div.panel").size();
		// Calculate the width of all the panels when lined up end-to-end...
		var stripViewerWidth = panelWidth*panelCount;
		// Use the above width to specify the CSS width for the panelContainer element...
		container.find("div.panelContainer").css("width" , stripViewerWidth);
		// Set the navWidth as a multiple of panelCount to account for margin-right on each li
		var navWidth = panelCount*2;
		var btnEn,styleclass;
		// Specify the current panel.
		// If the loaded URL has a hash (cross-linking), we're going to use that hash to give the slider a specific starting position...
		if (location.hash && parseInt(location.hash.slice(1)) <= panelCount) {
			var cPanel =1;// parseInt(location.hash.slice(1));
			var cnt = - (panelWidth*(cPanel - 1));
			location.hash = cPanel;
			jQuery(this).find("div.panelContainer").css({ left: cnt });
		// Otherwise, we'll just set the current panel to 1...
		} else { 
			var cPanel = 1;
		};
		// Create appropriate nav
		container.each(function(i) {			
			//Create nav left button
			if(panelCount<=1)
			{
				jQuery("div#"+jQuery("div.projectspreviouse").get(settings.sliderindex).id).hide();
				jQuery("div#"+jQuery("div.projectseachpanel").get(settings.sliderindex).id).hide();
				jQuery("div#"+jQuery("div.projectsnext").get(settings.sliderindex).id).hide();
			}
			jQuery("div#"+jQuery("div.projectspreviouse").get(settings.sliderindex).id).append("<img src='"+settings.btnPreviousDisabled+"' title='Previous' alt='Previous' id='previous"+settings.sliderindex+"' />");
			//Create the each button
			jQuery("div#"+jQuery("div.panelContainer").get(settings.sliderindex).id).find("div.panel").each(function(n){
			    btnEn = (n==0)? settings.btndisable:settings.btnenable;
			    styleclass = (n==0)? "class='current'":"";
			    jQuery("div#"+jQuery("div.projectseachpanel").get(settings.sliderindex).id).append("<img src='"+btnEn+"' id='navbutton"+settings.sliderindex+n+"' "+styleclass+"/>");
			});
			//Create nav right button
			var btnNext=panelCount>1?settings.btnNextEn:settings.btnNextDisabled;
			jQuery("div#"+jQuery("div.projectsnext").get(settings.sliderindex).id).append("<img src='"+btnNext+"' title='Next' alt='Next' id='next"+settings.sliderindex+"' />");
			
			jQuery("div#"+jQuery("div.projectseachpanel").get(settings.sliderindex).id).find("img").each(function(z){
			    jQuery(this).bind("click", function() {
					        jQuery(this).attr("src",settings.btndisable).parent().find("img").not(jQuery(this)).attr("src",settings.btnenable); // wow!
					        var cnt = - (panelWidth*z);
					        cPanel = z + 1;
					        
					        jQuery("div#"+jQuery("div.panelContainer").get(settings.sliderindex).id).animate({ left: cnt}, settings.easeTime, settings.easeFunc);
					        if(z>0&&panelCount>1)
					        {jQuery("#previous"+settings.sliderindex).attr("src",settings.btnPreviousEn);}
					        else
					        {jQuery("#previous"+settings.sliderindex).attr("src",settings.btnPreviousDisabled);}
					        if(z==panelCount-1&&panelCount>1)
					        {jQuery("#next"+settings.sliderindex).attr("src",settings.btnNextDisabled);}
					        else
					        {jQuery("#next"+settings.sliderindex).attr("src",settings.btnNextEn);}
					        location.hash = cPanel;
					        if(TrackCustomLink)TrackCustomLink(this,settings.omnitureButtonType+" | selectbutton");
				});
			}
			);
			//Previous
			jQuery("#previous"+settings.sliderindex).click(function(){
			    var btnUnselected,btnSelected;
			    if (cPanel == 1) {
			    	cPanel =1;
			    	
					/*var cnt = - (panelWidth*(panelCount-1));
					cPanel = panelCount;
					//jQuery("div#"+jQuery("div.projectseachpanel").get(settings.sliderindex).id).find("img").get(0).removeClass("current").parent().find("img").get(panelCount-1).addClass("current");
					btnUnselected=jQuery("div#"+jQuery("div.projectseachpanel").get(settings.sliderindex).id).find("img");
					jQuery("#"+btnUnselected.get(0).id).attr("src",settings.btnenable);
					jQuery("#"+btnUnselected.get(panelCount-1).id).attr("src",settings.btndisable);*/
				} else {
					if(cPanel==2){jQuery("#previous"+settings.sliderindex).attr("src",settings.btnPreviousDisabled);}
					else{jQuery("#previous"+settings.sliderindex).attr("src",settings.btnPreviousEn);}
					if(panelCount>1)
					{jQuery("#next"+settings.sliderindex).attr("src",settings.btnNextEn);}
					cPanel -= 1;
					var cnt = - (panelWidth*(cPanel - 1));
					btnUnselected=jQuery("div#"+jQuery("div.projectseachpanel").get(settings.sliderindex).id).find("img");
					jQuery("#"+btnUnselected.get(cPanel).id).attr("src",settings.btnenable);
					jQuery("#"+btnUnselected.get(cPanel-1).id).attr("src",settings.btndisable);
					jQuery("div#"+jQuery("div.panelContainer").get(settings.sliderindex).id).animate({ left: cnt}, settings.easeTime, settings.easeFunc);
				};
				// Change the URL hash (cross-linking)...
				location.hash = cPanel;
				if(TrackCustomLink)TrackCustomLink(this,settings.omnitureButtonType+" | prevbutton");
				return false;		
			});
			
			//Next
			jQuery("#next"+settings.sliderindex).click(function(){
			    var btnUnselected,btnSelected;
			    if (cPanel == panelCount) {
			    	cPanel=panelCount;
			    	
					/*var cnt = 0;
					cPanel = 1;
					btnUnselected=jQuery("div#"+jQuery("div.projectseachpanel").get(settings.sliderindex).id).find("img");
					jQuery("#"+btnUnselected.get(0).id).attr("src",settings.btndisable);
					jQuery("#"+btnUnselected.get(panelCount-1).id).attr("src",settings.btnenable);*/
				} else {
					var cnt = - (panelWidth*cPanel);
					if(cPanel==panelCount-1){jQuery("#next"+settings.sliderindex).attr("src",settings.btnNextDisabled);}
					else{jQuery("#next"+settings.sliderindex).attr("src",settings.btnNextEn);}
					if(panelCount>1){jQuery("#previous"+settings.sliderindex).attr("src",settings.btnPreviousEn);}
					cPanel += 1;
					btnUnselected=jQuery("div#"+jQuery("div.projectseachpanel").get(settings.sliderindex).id).find("img");
					jQuery("#"+btnUnselected.get(cPanel-1).id).attr("src",settings.btndisable);
					jQuery("#"+btnUnselected.get(cPanel-2).id).attr("src",settings.btnenable);
					jQuery("div#"+jQuery("div.panelContainer").get(settings.sliderindex).id).animate({ left: cnt}, settings.easeTime, settings.easeFunc);
					
				};
				// Change the URL hash (cross-linking)...
				location.hash = cPanel;
				if(TrackCustomLink)TrackCustomLink(this,settings.omnitureButtonType+" | nextbutton");
				return false;
			});
			// Same-page cross-linking
			/*jQuery("a.cross-link").click(function(){
				jQuery(this).parents().find(".stripNav ul li a:eq(" + (parseInt(jQuery(this).attr("href").slice(1)) - 1) + ")").trigger('click');
			});	*/
			
			// Set the width of the nav using the navWidth figure we calculated earlier. This is so the nav can be centred above the slider
			/*jQuery("div#stripNav" + j).css("width" , navWidth);*/
			
			// Specify which tab is initially set to "current". Depends on if the loaded URL had a hash or not (cross-linking).
			/*if (location.hash && parseInt(location.hash.slice(1)) <= panelCount) {
				jQuery("div#stripNav" + j + " a:eq(" + (location.hash.slice(1) - 1) + ")").addClass("current");
			} else {
				jQuery("div#stripNav" + j + " a:eq(0)").addClass("current");
			}*/
			
		});
		
		j++;
  });
};