/* Gestion de l'ajout au panier */
var AjaxBasket = {
	timer : null,
	timeout : 15000,

	OnTimeout : function(){
		AjaxCache.decAjaxCall();
		alert("Le service n'a pas répondu à temps");
	},

	OnComplete : function(data){
		clearTimeout(timer);
		$('#HeaderBasket').html(data.basket);
		ShowBasketPopin();
		AjaxCache.decAjaxCall();
	},

	AddProduct : function (id){
		timer = setTimeout(this.OnTimeout, this.timeout);
		$.getJSON(urlAddToBasketJSON, 
			{'Id' : id},
			this.OnComplete);		
	}
}

function AddToMyBasketJSON(id)
{
    AjaxCache.incAjaxCall();
    eval("AjaxBasket.AddProduct('" + id.replace(/\'/g,'\\\'') + "')");
    return false;
}

var AjaxCache = 
{
    zones:new Array(),
    ajaxCall:0,
    incAjaxCall:function()
    {
        AjaxCache.ajaxCall += 1;
        if( AjaxCache.ajaxCall > 0 )
        {
            waitingMsg.show();
            waitingMsg.setHideTimer();
        }
    },
    decAjaxCall:function()
    {
        AjaxCache.ajaxCall -= 1;
        if( AjaxCache.ajaxCall == 0 )
        {
            waitingMsg.hide();
        }
    }
}

/* genere une iframe pour faire passer les divs par dessus des selects sous IE */
var ifrlayer = {
	make:function(obj) {
		if(!obj) return; obj = (typeof(obj)=="string") ? document.getElementById(obj) : obj; if(!obj) return;
		if(document.all && !window.opera && document.getElementById) {
			if(obj.parentNode && !obj.iframelayer) {
			    var ifr = obj.parentNode.insertBefore(document.createElement('<iframe src="javascript:false"></iframe>'), obj);
			    if(obj.currentStyle.zIndex != "" && parseInt(obj.currentStyle.zIndex)>1 ) {
				    ifr.style.zIndex = parseInt(obj.currentStyle.zIndex)-1;
			    }
			    with(ifr.style) {
				    filter = "mask()";
				    position = "absolute";
			    }
                obj.iframelayer = ifr;
            }
		}
		if(obj.iframelayer) {
		    obj.iframelayer.style.visibility="visible";
            ifrlayer.resize(obj);
            ifrlayer.move(obj)
        }
	},
	hide:function(obj) {
		if(!obj) return; obj = typeof(obj)=="string" ? document.getElementById(obj) : obj; if (!obj) return;
		var ifr = obj.iframelayer;
		if(ifr) {
			ifr.style.visibility="hidden";
		}
	},
	move:function(obj) {
		if(obj && obj.iframelayer) {
		    with(obj.iframelayer.style) {
			    top = obj.offsetTop+"px";
			    left = obj.offsetLeft+"px"
		    }
		}
	},
	resize:function(obj) {
	    if(obj && obj.iframelayer) {
	        with(obj.iframelayer.style) {
	            width =  obj.offsetWidth+"px";
		        height =  obj.offsetHeight+"px";
		    }
		}
	}
}

/* Genere un message d'attente avec */
var waitingMsg={
    shadowLayer:null,
    layerId:"waitingMsg",
    defaultTimeout:15000,
    timer:null,
    show:function() {
        var div = document.getElementById(waitingMsg.layerId);
        var doc = /MSIE 5|OPERA/.test(navigator.userAgent) ? document.body : document.documentElement;
        if (!waitingMsg.shadowLayer) {
            var shadow = document.body.appendChild(document.createElement("div"));
            waitingMsg.shadowLayer = shadow;
            shadow.id="shadowLayer";
            with(shadow.style) {
                left=0;
                right=0;
                height=doc.scrollHeight+"px";
            }
        }
        waitingMsg.shadowLayer.style.display="block";
        ifrlayer.make(waitingMsg.shadowLayer);
        if (div) {
            div = document.body.appendChild(div);
            div.style.display="block";    
            ifrlayer.make(div);
            div.style.left = (doc.scrollLeft+parseInt((doc.clientWidth-div.offsetWidth)/2))+"px";
            div.style.top = (doc.scrollTop+parseInt((doc.clientHeight-div.offsetHeight)/2))+"px"
        }
    },
    hide:function() {
        var div = document.getElementById(waitingMsg.layerId);
        waitingMsg.shadowLayer.style.display="none";
        ifrlayer.hide(waitingMsg.shadowLayer);
        div.style.display="none";
        ifrlayer.hide(div);
        clearTimeout(waitingMsg.timer);
    },
    setHideTimer:function(timer) {
        var timeforTimeout = timer || waitingMsg.defaultTimeout;
        if (!waitingMsg.timer) {
            waitingMsg.timer = setTimeout("waitingMsg.hide()",timeforTimeout);
        }
    }
}