YAHOO.util.Event.onDOMReady(function(){
 
        var Event = YAHOO.util.Event,
            Dom = YAHOO.util.Dom,
            dialog,
            calendar;
 
        var showBtn = Dom.get("show");
 
        Event.on(showBtn, "click", function() {
 
            // Lazy Dialog Creation - Wait to create the Dialog, and setup document click listeners, until the first time the button is clicked.
            if (!dialog) {
 
                // Hide Calendar if we click anywhere in the document other than the calendar
                Event.on(document, "click", function(e) {
                    var el = Event.getTarget(e);
                    var dialogEl = dialog.element;
                    if (el != dialogEl && !Dom.isAncestor(dialogEl, el) && el != showBtn && !Dom.isAncestor(showBtn, el)) {
                        dialog.hide();
                    }
                });
 
                function resetHandler() {
                    // Reset the current calendar page to the select date, or 
                    // to today if nothing is selected.
                    var selDates = calendar.getSelectedDates();
                    var resetDate;
        
                    if (selDates.length > 0) {
                        resetDate = selDates[0];
                    } else {
                        resetDate = calendar.today;
                    }
        
                    calendar.cfg.setProperty("pagedate", resetDate);
                    calendar.render();
                }
        
                function closeHandler() {
                    dialog.hide();
                }
 
                dialog = new YAHOO.widget.Dialog("container", {
                    visible:false,
                    context:["show", "tl", "bl"],
                    
                    draggable:true,
                    close:true
                });
                dialog.setHeader('Selectionnez votre date de départ');
                dialog.setBody('<div id="cal"></div>');
                dialog.render(document.body);
 
                dialog.showEvent.subscribe(function() {
                    if (YAHOO.env.ua.ie) {
                        // Since we're hiding the table using yui-overlay-hidden, we 
                        // want to let the dialog know that the content size has changed, when
                        // shown
                        dialog.fireEvent("changeContent");
                    }
                });
            }
 
            // Lazy Calendar Creation - Wait to create the Calendar until the first time the button is clicked.
            if (!calendar) {
 
                calendar = new YAHOO.widget.CalendarGroup("cal", {
                    pages:2,
					iframe:false,          // Turn iframe off, since container has iframe support.
                    hide_blank_weeks:true  // Enable, to demonstrate how we handle changing height, using changeContent
                });
                calendar.render();
 
                calendar.selectEvent.subscribe(function() {
                    if (calendar.getSelectedDates().length > 0) {
 
                        var selDate = calendar.getSelectedDates()[0];
 
                        // Pretty Date Output, using Calendar's Locale values: Friday, 8 February 2008
                        var wStr = calendar.cfg.getProperty("WEEKDAYS_LONG")[selDate.getDay()];
                        var dStr = selDate.getDate();
                        var mStr = selDate.getMonth();
                        var yStr = selDate.getFullYear();
        				
						
						if( dStr <= 9 )
                        Dom.get("aller").value = "0" + dStr + "/" + (mStr+1) + "/" + yStr;
						else Dom.get("aller").value = dStr + "/" + (mStr+1) + "/" + yStr;
						 
                    } else {
                        Dom.get("aller").value = "";
                    }
                    dialog.hide();
                });
 
                calendar.renderEvent.subscribe(function() {
                    // Tell Dialog it's contents have changed, which allows 
                    // container to redraw the underlay (for IE6/Safari2)
                    dialog.fireEvent("changeContent");
                });
            }
 
            var seldate = calendar.getSelectedDates();
 
            if (seldate.length > 0) {
                // Set the pagedate to show the selected date if it exists
                calendar.cfg.setProperty("pagedate", seldate[0]);
                calendar.render();
            }
 
            dialog.show();
        });
    });