/*var gXhr			= Array();
var gtItems			= Array();
var gtoCarrousel	= Array();
var gDirectoryPath	= "";
var gNumImage		= Array();
var gFading			= Array();
// Valeur configurable !
var gTimeout        = Array();

function carrousel_getXmlNodeValue(reponse, sName) {
	var node = reponse.getElementsByTagName(sName)[0];
	
	if ((node == null) || (node.childNodes.length == 0))
		return "";
	
	return node.firstChild.nodeValue;
}

function carrousel_getXhr(){
	var xhr = null;
	
	if(window.XMLHttpRequest)		// Firefox et autres
		xhr = new XMLHttpRequest(); 
	else if(window.ActiveXObject){	// Internet Explorer 
		try {
			xhr = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			xhr = new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	else { // XMLHttpRequest non support? par le navigateur 
		// alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest..."); 
		xhr = false;
	}
	
	return xhr;
}

function carrousel_onChangeXhr(iNum) {
    if(gXhr[iNum] && gXhr[iNum].readyState == 4 && gXhr[iNum].status == 200 && gXhr[iNum].responseXML != null) {
		var xml = gXhr[iNum].responseXML.documentElement;
		
        //gtItems[iNum] = new Array();
        
        gNumImage[iNum] = 0;
        gtItems[iNum] = carrousel_getItems(xml,iNum);
		
		if (gtItems[iNum] && gtItems[iNum].length >= 0) {
			carrousel_showItem(0, true, iNum);
			if ( gtItems[iNum] && gtItems[iNum].length > 1 && gTimeout[iNum]>0)
				gtoCarrousel[iNum] = setTimeout("carrousel_timeout("+iNum+");",gTimeout[iNum]);
		}
		
		gXhr[iNum] = null;
	}
}

function carrousel_onLoadXhr(xmlPath, directoryPath, iNum) {
	var param = "";
	gDirectoryPath = directoryPath;
	
//		opacity("CARROUSEL_IMG", 100, 0, 200);
	
	if ( gtoCarrousel[iNum] )
	{
		clearTimeout(gtoCarrousel[iNum]);
		gtoCarrousel[iNum] = null;
	}
	
	if (gXhr[iNum] == null) {
		gXhr[iNum] = carrousel_getXhr();
		
		if (gXhr[iNum] != null) {
			try {
				d = new Date();
				xmlPath = xmlPath +'?'+ d.getTime();
				
				gXhr[iNum].open("GET", xmlPath, true);
				gXhr[iNum].setRequestHeader("Content-type", "application/x-www-form-urlencoded");
				gXhr[iNum].onreadystatechange = function (){
                    carrousel_onChangeXhr(iNum);
                }
				gXhr[iNum].send(param);
			}
			catch (e) {
				alert("erreur : " + e);
			}
		}
		else
			setTimeout("carrousel_onLoadXhr('" + xmlPath + "', '"+ directoryPath + "',"+iNum+");",1000);
	}
}

/function carrousel_getItems(xml,iNum) {
	var tItems = new Array();
	var node = xml.getElementsByTagName("item");
	
    for (i = 0; i < node.length; i++) {
		tItems[i] = new Array();
		if (tItems[i]) {
			tItems[i].push(carrousel_getXmlNodeValue(node[i],"image"));
			tItems[i].push(carrousel_getXmlNodeValue(node[i],"url"));
			tItems[i].push(carrousel_getXmlNodeValue(node[i],"theme"));
            tItems[i].push(carrousel_getXmlNodeValue(node[i],"title"));
            tItems[i].push(carrousel_getXmlNodeValue(node[i],"description"));
		}
	}
	
	if ( node.length <= 1 )
		document.getElementById('hpo_carrousel_control_'+iNum).style.visibility = 'hidden';
	else
		document.getElementById('hpo_carrousel_control_'+iNum).style.visibility = 'visible';
	
	return tItems;
}

function carrousel_timeout(iNum) {
	//if (document.getElementById("hpo_carrousel_item_"+iNum+"_"+gNumImage[iNum]))
    //    document.getElementById("hpo_carrousel_item_"+iNum+"_"+gNumImage[iNum]).className = "hpo_carrousel_item";
    carrousel_showItem(gNumImage[iNum] + 1, true, iNum);
	if ( gtItems[iNum] && gtItems[iNum].length > 1  && gTimeout[iNum]>0)
		gtoCarrousel[iNum] = setTimeout("carrousel_timeout("+iNum+");",gTimeout[iNum]);
}


function carrousel_pause(iNum) {
   if (gtoCarrousel[iNum]) {
        clearTimeout(gtoCarrousel[iNum]);
        gtoCarrousel[iNum] = null;
   }
}

function carrousel_play(iNum) {
    clearTimeout(gtoCarrousel[iNum]);
    gtoCarrousel[iNum] = null;
    if (gTimeout[iNum]>0)
        gtoCarrousel[iNum] = setTimeout("carrousel_timeout("+iNum+");",gTimeout[iNum]);
}

function carrousel_nextItem(iNum) {
	if (gtoCarrousel[iNum]) {
		clearTimeout(gtoCarrousel[iNum]);
		gtoCarrousel[iNum] = null;
	}
	
	carrousel_showItem(gNumImage[iNum] + 1, true, iNum);
	//if ( gtItems[iNum] && gtItems[iNum].length > 1 )
	//	gtoCarrousel[iNum] = setTimeout("carrousel_timeout("+iNum+");",gTimeout[iNum]);
}

function carrousel_prevItem(iNum) {
	if (gtoCarrousel[iNum]) {
		clearTimeout(gtoCarrousel[iNum]);
		gtoCarrousel[iNum] = null;
	}
	
	if (gNumImage[iNum] == 0)
		gNumImage[iNum] = gtItems[iNum].length;
	
	carrousel_showItem(gNumImage[iNum] - 1, true, iNum);
	//if ( gtItems[iNum] && gtItems[iNum].length > 1 )
	//	gtoCarrousel[iNum] = setTimeout("carrousel_timeout("+iNum+");",gTimeout[iNum]);
}

function carrousel_showItem(num, bFade, iNum) {
	gNumImage[iNum] = (num == gtItems[iNum].length ? 0: num);
	
    if (bFade) {
		gFading[iNum] = true;
		opacity("hpo_carrousel_image_"+iNum, 100, 0, 200, iNum);
	}
	else {
		gFading[iNum] = true;
		//opacity("CARROUSEL_IMG", 0, 100, 0);
		
		var href = gtItems[iNum][gNumImage[iNum]][1];
		var theme = gtItems[iNum][gNumImage[iNum]][2];
        var title = gtItems[iNum][gNumImage[iNum]][3];
        var description = gtItems[iNum][gNumImage[iNum]][4];
		var src = gDirectoryPath;
		
		if (src != "")
			src += '/' + gtItems[iNum][gNumImage[iNum]][0];
		else
			src = gtItems[iNum][gNumImage[iNum]][0];
		
		document.getElementById("hpo_carrousel_image_"+iNum).innerHTML = src;
		if (document.getElementById("hpo_carrousel_theme_"+iNum))
            document.getElementById("hpo_carrousel_theme_"+iNum).innerHTML = theme;
        if (document.getElementById("hpo_carrousel_title_"+iNum))
			document.getElementById("hpo_carrousel_title_"+iNum).innerHTML = title;
		if (document.getElementById("hpo_carrousel_header_"+iNum))
			document.getElementById("hpo_carrousel_header_"+iNum).innerHTML = description;
		if (document.getElementById("hpocarrousel_indice_"+iNum))
			document.getElementById("hpocarrousel_indice_"+iNum).innerHTML = (gNumImage[iNum]+1)+"/"+(gtItems[iNum].length);
        
        for (i = 0; i < gtItems[iNum].length; i++) {
            if (document.getElementById("hpo_carrousel_item_"+iNum+"_"+i))
                document.getElementById("hpo_carrousel_item_"+iNum+"_"+i).className = "hpo_carrousel_item";
            if (document.getElementById("hpo_carrousel_fd_"+iNum+"_"+i))
                document.getElementById("hpo_carrousel_fd_"+iNum+"_"+i).className = "hpo_carrousel_item";
        }
        if (document.getElementById("hpo_carrousel_item_"+iNum+"_"+gNumImage[iNum]))
            document.getElementById("hpo_carrousel_item_"+iNum+"_"+gNumImage[iNum]).className = "hpo_carrousel_item over";
        if (document.getElementById("hpo_carrousel_fd_"+iNum+"_"+gNumImage[iNum]))
            document.getElementById("hpo_carrousel_fd_"+iNum+"_"+gNumImage[iNum]).className = "hpo_carrousel_item over";
        
	}
}

function opacity(id, opacStart, opacEnd, millisec, iNum) {
    //speed for each frame
    var speed = Math.round(millisec / 50);
    var timer = 0;

    //determine the direction for the blending, if start and end are the same nothing happens
    if(opacStart > opacEnd) {
        for(i = opacStart; i >= opacEnd; i--) {
            setTimeout("changeOpac(" + i + ",'" + id + "', " +iNum+ ")",(timer * speed));
            timer++;
        }
    } else if(opacStart < opacEnd) {
        for(i = opacStart; i <= opacEnd; i++) {
            setTimeout("changeOpac(" + i + ",'" + id + "', " +iNum+ ")",(timer * speed));
            timer++;
        }
    }
}

function changeOpac(opacity_, id, iNum) {
	
	carrousel_opac(opacity_, id);
	
	if (gFading[iNum] && (opacity_ == 0)) {
		var href = gtItems[iNum][gNumImage[iNum]][1];
		var theme = gtItems[iNum][gNumImage[iNum]][2];
        var title = gtItems[iNum][gNumImage[iNum]][3];
        var description = gtItems[iNum][gNumImage[iNum]][4];
		var src = gDirectoryPath;
		if (src != "")
			src += '/' + gtItems[iNum][gNumImage[iNum]][0];
		else
			src = gtItems[iNum][gNumImage[iNum]][0];
			
		document.getElementById("hpo_carrousel_image_"+iNum).innerHTML = src;
        if (document.getElementById("hpo_carrousel_theme_"+iNum))
            document.getElementById("hpo_carrousel_theme_"+iNum).innerHTML = theme;
        if (document.getElementById("hpo_carrousel_title_"+iNum))
            document.getElementById("hpo_carrousel_title_"+iNum).innerHTML = title;
        if (document.getElementById("hpo_carrousel_header_"+iNum))
            document.getElementById("hpo_carrousel_header_"+iNum).innerHTML = description;
        if (document.getElementById("hpocarrousel_indice_"+iNum))
            document.getElementById("hpocarrousel_indice_"+iNum).innerHTML = (gNumImage[iNum]+1)+"/"+(gtItems[iNum].length);
        
        for (i = 0; i < gtItems[iNum].length; i++) {
            if (document.getElementById("hpo_carrousel_item_"+iNum+"_"+i))
                document.getElementById("hpo_carrousel_item_"+iNum+"_"+i).className = "hpo_carrousel_item";
            if (document.getElementById("hpo_carrousel_fd_"+iNum+"_"+i))
                document.getElementById("hpo_carrousel_fd_"+iNum+"_"+i).className = "hpo_carrousel_item";
        }
        
        if (document.getElementById("hpo_carrousel_item_"+iNum+"_"+gNumImage[iNum]))
            document.getElementById("hpo_carrousel_item_"+iNum+"_"+gNumImage[iNum]).className = "hpo_carrousel_item over";
        if (document.getElementById("hpo_carrousel_fd_"+iNum+"_"+gNumImage[iNum]))
            document.getElementById("hpo_carrousel_fd_"+iNum+"_"+gNumImage[iNum]).className = "hpo_carrousel_item over";
		gFading[iNum] = false;
		
		opacity("hpo_carrousel_image_"+iNum, 0, 100, 200, iNum);
	}
}

function carrousel_opac(opacity_, id)
{
	var object = document.getElementById(id).style;
	
	object.opacity = (opacity_ / 100);
	object.MozOpacity = (opacity_ / 100);
	object.KhtmlOpacity = (opacity_ / 100);
	object.filter = "alpha(opacity=" + opacity_ + ")";
	
}

function carrousel_link(link)
{
	for ( i=0; true; ++i )
	{
		var l = document.getElementById('hpo-carrousel-link-'+ i);
		
		if ( !l )
			break;
			
		l.className = 'Nselected';
	}
			
	link.className = 'selected';
}
*/

var gtoCarrousel    = Array();
var gTimeout        = Array();
var currentIndice   = Array();
var maxIndice       = Array();

function carrousel_play(iNum) {
    clearTimeout(gtoCarrousel[iNum]);
    gtoCarrousel[iNum] = setTimeout("carrousel_timeout("+iNum+");",gTimeout[iNum]);
}

function carrousel_pause(iNum) {
   if (gtoCarrousel[iNum]) {
        clearTimeout(gtoCarrousel[iNum]);
        gtoCarrousel[iNum] = null;
   }
}

function carrousel_goTo(iNum, indice) {
    carrousel_pause(iNum);
    
    if (currentIndice[iNum] != indice) {
        $("#hpo_carrousel"+iNum+" div.carrousel.carrousel"+currentIndice[iNum]).fadeOut("fast");
        $("#hpo_carrousel"+iNum+" a.item"+currentIndice[iNum]).toggleClass("active");
        currentIndice[iNum]=indice;
        $("#hpo_carrousel"+iNum+" div.carrousel.carrousel"+currentIndice[iNum]).fadeIn("fast");
        $("#hpo_carrousel"+iNum+" a.item"+currentIndice[iNum]).toggleClass("active");
    }
}

function carrousel_timeout(iNum) {
    $("#hpo_carrousel"+iNum+" div.carrousel.carrousel"+currentIndice[iNum]).fadeOut("slow");
    $("#hpo_carrousel"+iNum+" a.item"+currentIndice[iNum]).toggleClass("active");
    currentIndice[iNum]++;
    if (maxIndice[iNum] == currentIndice[iNum])
        currentIndice[iNum] = 0;
        
    $("#hpo_carrousel"+iNum+" div.carrousel.carrousel"+currentIndice[iNum]).fadeIn("slow");
    $("#hpo_carrousel"+iNum+" a.item"+currentIndice[iNum]).toggleClass("active");
    gtoCarrousel[iNum] = setTimeout("carrousel_timeout("+iNum+");",gTimeout[iNum]);
}

function carrousel_nextItem(iNum) {
    carrousel_pause(iNum);
    
    $("#hpo_carrousel"+iNum+" div.carrousel.carrousel"+currentIndice[iNum]).fadeOut("fast");
    $("#hpo_carrousel"+iNum+" a.item"+currentIndice[iNum]).toggleClass("active");
    currentIndice[iNum]++;
    if (maxIndice[iNum] == currentIndice[iNum])
        currentIndice[iNum] = 0;
        
    $("#hpo_carrousel"+iNum+" div.carrousel.carrousel"+currentIndice[iNum]).fadeIn("fast");
    $("#hpo_carrousel"+iNum+" a.item"+currentIndice[iNum]).toggleClass("active");
}

function carrousel_prevItem(iNum) {
    carrousel_pause(iNum);
    
    $("#hpo_carrousel"+iNum+" div.carrousel.carrousel"+currentIndice[iNum]).fadeOut("fast");
    $("#hpo_carrousel"+iNum+" a.item"+currentIndice[iNum]).toggleClass("active");
    currentIndice[iNum]--;
    if (currentIndice[iNum]<0)
        currentIndice[iNum] = maxIndice[iNum]-1;
            
    $("#hpo_carrousel"+iNum+" div.carrousel.carrousel"+currentIndice[iNum]).fadeIn("fast");
    $("#hpo_carrousel"+iNum+" a.item"+currentIndice[iNum]).toggleClass("active");
}

function carrousel_showlegende(iNum) {
    $("#hpo_carrousel"+iNum+" div.carrousel.carrousel"+currentIndice[iNum]+" .legende").fadeIn("fast");
}

function carrousel_hidelegende(iNum) {
    $("#hpo_carrousel"+iNum+" div.carrousel.carrousel"+currentIndice[iNum]+" .legende").fadeOut("fast");
}