var Alerts = {
background: null,
message: null,
messageArray: new Array(),
fadeTimer: 0,
OPACITY: 51,
STEPS: 3,
globalWrapper:null,
bgFadeIn: function(max, steps, opacity) {
var background = Alerts.background;
var delta = max/steps
if (opacity == null) {
opacity = delta;
}
if (background && opacity <= max) {
Element.changeOpacity(background, opacity);
opacity += delta;
setTimeout("Alerts.bgFadeIn(" + max + "," + steps + "," + opacity + ")", 0);
}
},
bgFadeOut: function(max, steps, opacity) {
var background = Alerts.background;
if (background) {
var delta = max/steps
if (opacity == null) {
opacity = max - delta;
}
if (opacity >= 0) {
Element.changeOpacity(background, opacity);
opacity -= delta;
setTimeout("Alerts.bgFadeOut(" + max + "," + steps + "," + opacity + ")", 0);
}
else {
background.parentNode.removeChild(background);
setSelectVisibility("visible", Alerts.message);
Alerts.background = null;
}
}
},
createWrapper: function(message, title) {
var outer = document.createElement("div");
var inner = document.createElement("div");
var heading = document.createElement("table");
var close = document.createElement("a");
outer.className = "pop-up-outer";
outer.align = "center";
inner.className = "pop-up-inner";
close.innerHTML = "Close";
close.href = "javascript:Alerts.killAlert()";
heading.className = "pop-up-header";
heading.border = 0;
heading.width = "100%";
heading.cellSpacing = 0;
heading.cellPadding = 0;
heading.insertRow(0);
var row = heading.rows[0];
row.insertCell(0);
row.insertCell(1);
var cell0 = row.cells[0];
var cell1 = row.cells[1];
cell0.className = "pop-up-title";
cell0.width = "99%";
if (title) {
cell0.innerHTML = title;
}
cell1.className = "pop-up-close";
cell1.width = "1%";
cell1.innerHTML = "<a href=\"javascript:void(0)\" onclick=\"Alerts.killAlert(this)\"><img border=\"0\" src=\"" + themeDisplay.getPathThemeImage() + "/portlet/close.gif\"/></a>"
Alerts.globalWrapper=cell1;
inner.appendChild(heading);
inner.appendChild(message);
outer.appendChild(inner);
message.wrapper = outer;
Drag.makeDraggable(outer, cell0);
return outer;
},
  killAlertGlobal : function() {
  if (Alerts.globalWrapper) Alerts.killAlert(Alerts.globalWrapper);
  },
killAlert : function(oLink) {
if (oLink) {
var wrapper = oLink;
while (wrapper.parentNode) {
if (wrapper.className && wrapper.className.match("pop-up-outer")) {
break;
}
wrapper = wrapper.parentNode;
}
var body = document.getElementsByTagName("body")[0];
var options = wrapper.options;
var background = null;
var showSelects = false;
Alerts.remove(wrapper);
body.removeChild(wrapper);
if (Alerts.messageArray.length > 0) {
Alerts.message = Alerts.messageArray[Alerts.messageArray.length - 1];
Alerts.message.style.zIndex = ZINDEX.ALERT + 1;
setSelectVisibility("visible", Alerts.message);
background = wrapper.background;
}
else {
Alerts.message = null;
//setSelectVisibility("visible");
background = Alerts.background;
}
if (background) {
//body.removeChild(background);
//Alerts.background = null;
Alerts.bgFadeOut(Alerts.OPACITY, Alerts.STEPS);
}
if (options && options.onClose) options.onClose();
}
},
fireMessageBox : function (options) {
/*
 * OPTIONS:
 * modal (boolean) - show shaded background
 * message (string) - default HTML to display
 * height (int) - starting height of message box
 * width (int) - starting width of message box
 * onClose (function) - executes after closing
 */
var body = document.body;
if (!options) options = new Object();
var modal = options.modal;
var myMessage = options.message;
var msgHeight = options.height;
var msgWidth = options.width;
var noCenter = options.noCenter;
var title = options.title;
var message = document.createElement("div");
message.align = "left";
var wrapper = Alerts.createWrapper(message, title);
wrapper.style.position = "absolute";
wrapper.style.top = 0;
wrapper.style.left = 0;
wrapper.style.zIndex = ZINDEX.ALERT + 1;
wrapper.options = options;
if (myMessage) {
message.innerHTML = myMessage;
}
else {
message.innerHTML = "<div class=\"portlet-loading\"></div>";
}
if (msgHeight) {
if (is_ie) {
message.style.height = msgHeight + "px";
}
else {
message.style.minHeight = msgHeight + "px";
}
}
if (msgWidth) {
wrapper.style.width = msgWidth + "px";
}
if (!Alerts.background && modal) {
var background = document.createElement("div");
background.id = "alert-message";
background.style.position = "absolute";
background.style.top = "0";
background.style.left = "0";
background.style.zIndex = ZINDEX.ALERT;
Alerts.background = background;
wrapper.background = background;
background.style.backgroundColor = "#000000";
Element.changeOpacity(background, 0);
body.appendChild(background);
Alerts.bgFadeIn(Alerts.OPACITY, Alerts.STEPS);
}
setSelectVisibility("hidden");
if (Alerts.messageArray.length > 0) {
var lastMsg = Alerts.messageArray[Alerts.messageArray.length - 1];
lastMsg.style.zIndex = ZINDEX.ALERT - 1;
setSelectVisibility("hidden", lastMsg);
}
setSelectVisibility("visible", message);
Alerts.message = message;
Alerts.messageArray.push(wrapper);
Alerts.resize();
Event.observe(window, "resize", Alerts.resize)
if (noCenter) {
Alerts.center();
}
else {
Alerts.center(msgHeight, msgWidth);
}
Event.observe(window, "resize", Alerts.center)
body.appendChild(wrapper);
window.focus();
return message;
},
popupIframe : function(url, options) {
var msgHeight = options.height;
var msgWidth = options.width;
// Nouvelle option possible : fond de popup
var bgstyle=options.bgstyle;
var message = Alerts.fireMessageBox(options);
var iframe = document.createElement("iframe");
iframe.src = url;
iframe.frameBorder = 0;
if (msgWidth) iframe.style.width = "100%";
if (msgHeight) iframe.style.height = msgHeight;
if (bgstyle) iframe.style.backgroundColor = bgstyle;
message.appendChild(iframe);
if (!options.noCenter) {
Alerts.center(msgHeight, msgWidth);
}
return message;
},
center : function(height, width) {
        
        if (Alerts.message) {
        var message = Alerts.message.wrapper;
            var body = document.getElementsByTagName("body")[0];
            var mode = message.centerMode;
            
            if (!mode) {
            if (height && width) {
            	mode = message.centerMode = "xy";
            }
            else if (height && !width) {
            	mode = message.centerMode = "y";
            }
            else if (!height && width) {
            	mode = message.centerMode = "x";
            }
            else {
            	mode = message.centerMode = "none";
            }
            }
            
            width = width || message.offsetWidth;
            height = height || message.offsetHeight;
            var centerLeft;
            var centerTop;
            if (!is_safari) {
                var centerLeft = (body.clientWidth - width) / 2;
                var centerTop = body.scrollTop + ((body.clientHeight - height) / 2);
            }
            else {
                var centerLeft = (body.offsetWidth - width) / 2;
                var centerTop = (body.offsetHeight - height) / 2;
            }
if (mode == "xy" || mode == "y") {
            message.style.top = centerTop + "px";
            }
            else {
            message.style.top = (body.scrollTop + 20) + "px";
            }
            
            if (mode == "xy" || mode == "x") {
            message.style.left = centerLeft + "px";
            }
            else {
            message.style.left = "20px";
            }
        }
},
    resize: function() {
    	if (Alerts.background) {
        var background = Alerts.background;
        var body = document.getElementsByTagName("body")[0];
        if (!is_safari) {
        	var scrollHeight = body.scrollHeight;
        	var clientHeight = body.clientHeight;
        	
            background.style.height = (scrollHeight > clientHeight ? scrollHeight : clientHeight) + "px";
            //background.style.width = (body.offsetWidth > body.clientWidth ? body.offsetWidth : body.clientWidth) + "px";
            background.style.width = "100%";
        }
        else {
            background.style.height = body.offsetHeight + "px";
            background.style.width = body.offsetWidth + "px";
        }
    	}
    },
    
    resizeIframe: function(options) {
    	if (Alerts.message && options) {
    		var iframe = Alerts.message.getElementsByTagName("iframe")[0];
var loading = document.getElementsByClassName("portlet-loading", Alerts.message);
if (loading.length > 0) {
loading[0].parentNode.removeChild(loading[0]);
}
    		
    		if (iframe) {
    		if (options.height) {
    			iframe.height = options.height;
    		}
    		
    		if (options.width) {
    			iframe.width = options.width;
    		}
    		}
    	}
    	
    	Alerts.resize();
    },
    remove: function(obj) {
    	var msgArray = Alerts.messageArray;
    	
    	for (var i = 0; i < msgArray.length; i++) {
    		if (msgArray[i] == obj) {
    			msgArray.splice(i, 1);
    			break;
    		}
    	}
    }
}