var Event = YAHOO.util.Event,
            Dom = YAHOO.util.Dom,
            dialog,
            calendar,
            showBtn ,
            textField ;

        var popCalendar =  function(btnId,textFieldId) {
    
 			showBtn = Dom.get(btnId);
 	
			textField = Dom.get(textFieldId);
			
			
            // Lazy Dialog Creation - Wait to create the Dialog, and setup document click listeners, until the first time the button is clicked.
            

                // 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.close();
                }
                
				if(dialog != null)
					dialog.destroy();
				
                dialog = new YAHOO.widget.Dialog("CALcontainer", {
                    visible:false,
                    context:[btnId, "tl", "bl"],
                    draggable:false,
                    width:230,
                    height:235,
                    close:false,
                    zindex:1000
                });
               // dialog.setHeader('Pick A Date');
                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.
         
var d = new Date();
var d1 = YAHOO.widget.DateMath.add(d,YAHOO.widget.DateMath.MONTH,-1);
                calendar = new YAHOO.widget.Calendar("cal", {
                    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 = calendar.cfg.getProperty("MONTHS_LONG")[selDate.getMonth()];
                        var yStr = selDate.getFullYear();
        
                        textField.value = YAHOO.util.Date.format(selDate, {format: " %m/%d/%Y"});
                        //wStr + ", " + dStr + " " + mStr + " " + yStr;
                    } else {
                        textField.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();
        };