// JavaScript Document
/**
 * Image src URLs
 */
 
 
 
var lastRan = -1;

var fmtItem = function(imgUrl, url, title, index) {

  	var innerHTML = 
  		'<a id="dhtml-carousel-a-'+index+'" href="' + 
  		url + 
  		'"><img id="dhtml-carousel-img-' + index + '" src="' + 
  		imgUrl +
		'" width="' +
		75 +
		'" height="' +
		75+
		'"/>' + 
  		title + 
  		'<\/a>';
  
	return innerHTML;
};


/**
 * Custom inital load handler. Called when the carousel loads the initial
 * set of data items. Specified to the carousel as the configuration
 * parameter: loadInitHandler
 **/
var loadInitialItems = function(type, args) {

	var start = args[0];
	var last = args[1]; 

	load(this, start, last);	
};

/**
 * Custom load next handler. Called when the carousel loads the next
 * set of data items. Specified to the carousel as the configuration
 * parameter: loadNextHandler
 **/
 var loadNextItems = function(type, args) {	

	var start = args[0];
	var last = args[1]; 
	var alreadyCached = args[2];
	
	if(!alreadyCached) {
		load(this, start, last);
	}
};

/**
 * Custom load previous handler. Called when the carousel loads the previous
 * set of data items. Specified to the carousel as the configuration
 * parameter: loadPrevHandler
 **/
var loadPrevItems = function(type, args) {
	var start = args[0];
	var last = args[1]; 
	var alreadyCached = args[2];
	
	if(!alreadyCached) {
		load(this, start, last);
	}
};


var load = function(carousel, start, last) {
 	for(var i=start;i<=last;i++) {
//alert("coucou");
if (ejs_url[i])
 	{ 	
 	ejs_url[i]=ejs_url[i].substr(0,ejs_url[i].length-4);
 	
}
 	//if (!ejs_photo[i])
 	else
 	{
   ejs_photo[i]="http://www.odyssee-interieure.com/images/FondDiaporama.gif";
   ejs_url[i]=ejs_href[0];
   //alert(ejs_url[i]);
  }
   	//var liItem = carousel.addItem(i, fmtItem(imageList[i], "#", "Number " + i, i));
		var liItem = carousel.addItem(i, fmtItem(ejs_photo[i], ejs_url[i],"", i));

		// If you want to add handlers for mouse over, mouse out or other events,
		// here is the pattern
		YAHOO.util.Event.addListener(liItem, "mouseover", function(e) {
		//console.log("mouseover>>"+this.id);
		});
		YAHOO.util.Event.addListener(liItem, "mouseout", function(e) {
		//console.log("mouseout<<"+this.id);
		});

	}
}

/**
 * Custom button state handler for enabling/disabling button state. 
 * Called when the carousel has determined that the previous button
 * state should be changed.
 * Specified to the carousel as the configuration
 * parameter: prevButtonStateHandler
 **/
var handlePrevButtonState = function(type, args) {

	var enabling = args[0];
	var leftImage = args[1];
	if(enabling) {
		leftImage.src = "http://www.odyssee-interieure.com/Includes/js/images/left-enabled.gif";	
	} else {
		leftImage.src = "http://www.odyssee-interieure.com/Includes/js/images/left-disabled.gif";
	}
	
};

var handleNextButtonState = function(type, args) {

	var enabling = args[0];
	var rightImage = args[1];
	//alert("here 2");
	if(enabling) {
		rightImage.src = "http://www.odyssee-interieure.com/Includes/js/images/right-enabled.gif";
    		YAHOO.util.Dom.removeClass(rightImage,"disabled");
		YAHOO.util.Dom.addClass(rightImage,"enabled");	
	} else {
		rightImage.src = "http://www.odyssee-interieure.com/Includes/js/images/right-disabled.gif";
			YAHOO.util.Dom.removeClass(rightImage,"enabled");
		YAHOO.util.Dom.addClass(rightImage,"disabled");
	}
	
};

var carousel; // for ease of debugging; globals generally not a good idea

/**
 * You must create the carousel after the page is loaded since it is
 * dependent on an HTML element (in this case 'dhtml-carousel'.) See the
 * HTML code below.
 */
var pageLoad = function() 
{
	carousel = new YAHOO.extension.Carousel("dhtml-carousel", 
		{
		  //isCircular: true,
			numVisible:        7,
			animationSpeed:   0.7,
			scrollInc:         2,
			navMargin:         40,
			prevElement:     "prev-arrow",
			nextElement:     "next-arrow",
			autoPlay: 0,
			size:nbmax,
			buttonNextEvent:     "mouseover",
			buttonPrevEvent:     "mouseover",
			wrap: false,
			loadInitHandler:   loadInitialItems,
			loadNextHandler:   loadNextItems,
			loadPrevHandler:   loadPrevItems,
			nextButtonStateHandler:   handleNextButtonState,			
			prevButtonStateHandler:   handlePrevButtonState
			

			
		}
	);
	

};



/**
 * Illustrates stop autoplay
 */
var stopAutoPlay = function(e) {
	YAHOO.util.Dom.get("status").innerHTML = "Auto Play Stopped!";
	carousel.stopAutoPlay();
};

/**
 * Illustrates start autoplay
 */
var startAutoPlay = function(e) {
	YAHOO.util.Dom.get("status").innerHTML = "Auto Play Started!";
	carousel.startAutoPlay(2000);
};

YAHOO.util.Event.addListener(window, 'load', pageLoad);
YAHOO.util.Event.addListener("stop-button", 'mouseover', stopAutoPlay);
YAHOO.util.Event.addListener("start-button", 'mouseover', startAutoPlay);