String.prototype.trim = function()
{
	return this.replace(/^\s+|\s+$/g,"");
}
String.prototype.ltrim = function()
{
	return this.replace(/^\s+/,"");
}
String.prototype.rtrim = function()
{
	return this.replace(/\s+$/,"");
}
var EventManager =
{
    /**
     * Attaches an event handler function to the specified DOM element's event specified by eventName.
     *
     * @param {Element}  element   The DOM element whose event will be attached to.
     * @param {String}   eventName The name of the event(ie. 'load') be sure to specify without the 'on' (ie. 'load' not 'onload').
     * @param {Function} listener  The function that will handle this event.
     */
    Attach: function(element, eventName, listener)
    {
        if(window.attachEvent) element.attachEvent('on' + eventName, listener); // IE
        else element.addEventListener(eventName, listener, false); // W3C
    },

    /**
     * Attaches the specified listener to the window load event.
     *
     * @param {Function} listener
     */
    AttachWindowLoad: function(listener)
    {
        this.Attach(window, 'load', listener);
    },

    /**
     * Detaches an event handler function to the specified DOM element's event specified by eventName.
     *
     * @param {Element}  element   The DOM element whose event will be attached to.
     * @param {String}   eventName The name of the event be sure to specify without the 'on' (ie. 'load' not 'onload').
     * @param {Function} listener  The function that will handle this event.
     */
    Detach: function(element, eventName, listener)
    {
        if(window.attachEvent) element.detachEvent('on' + eventName, listener); // IE
        else element.removeEventListener(eventName, listener, false); // W3C
    },

    /**
     * Gets the context(sender) of a DOM Event.
     */
    GetContext: function(_this)
    {
        if(_this.event) return _this.event.srcElement; // IE
        return _this; // W3C
    },

    /**
     * @constructor
     */
    EventListener: function(method, context)
    {
        this.Method = method;
        this.Context = context;
    },

    /**
     * Represents an event to which listeners can be attached and detached.
     *
     * @constructor
     */
    CustomEvent: function(sender)
    {
        this._listeners = new Array();
        this._sender = sender;

        this.Attach = function(listener, context)
        {
            this._listeners.push(new EventManager.EventListener(listener, context));
        }

        this.Detach = function(listener)
        {
            for(var i = 0; i < this.listeners.length; i++)
            {
                var o = this._listeners[0];
                if(o.Method == listener)
                {
                    this._listeners.remove(listener);
                    break;
                }
            }
        }

        /**
         * Steps through the listeners for this event and calls them passing sender and any associated event data.
         *
         * @param {Object} eventData An object containing data associated with this event.
         */
        this.Fire = function(eventData)
        {
            for(var i = 0; i < this._listeners.length; i++)
            {
                var listener = this._listeners[0];
                listener.Method(this._sender, listener.Context, eventData);
            }
        }
    }

}

var DateTimeUtil =
{
    /**
     * Returns the number of days for the specified month and year.
     *
     * @param {int} month The month to retrieve the number of days for.
     * @param {int} year  The year in which the month falls.
     * @type int;
     */
    DaysInMonth: function (month, year)
    {
        month = parseInt(month);
        year = parseInt(year);
        var dd = new Date(year, month, 0);
        return dd.getDate();
    }
}

var weekend = [0,6];
var weekendColor = "#F1D50E";
var fontface = "Verdana";
var fontsize = 2;

var gNow = new Date();
var ggWinCal;
isNav = (navigator.appName.indexOf("Netscape") != -1) ? true : false;
isIE = (navigator.appName.indexOf("Microsoft") != -1) ? true : false;

Calendar.Months = ["January", "February", "March", "April", "May", "June",
"July", "August", "September", "October", "November", "December"];

// Non-Leap year Month days..
Calendar.DOMonth = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
// Leap year Month days..
Calendar.lDOMonth = [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];

function Calendar(p_item, p_WinCal, p_month, p_year, p_format) {
	if ((p_month == null) && (p_year == null))	return;

	if (p_WinCal == null)
		this.gWinCal = ggWinCal;
	else
		this.gWinCal = p_WinCal;

	if (p_month == null) {
		this.gMonthName = null;
		this.gMonth = null;
		this.gYearly = true;
	} else {
		this.gMonthName = Calendar.get_month(p_month);
		this.gMonth = new Number(p_month);
		this.gYearly = false;
	}

	this.gYear = p_year;
	this.gFormat = p_format;
	this.gBGColor = "white";
	this.gFGColor = "black";
	this.gTextColor = "black";
	this.gHeaderColor = "black";
	this.gReturnItem = p_item;
}

Calendar.get_month = Calendar_get_month;
Calendar.get_daysofmonth = Calendar_get_daysofmonth;
Calendar.calc_month_year = Calendar_calc_month_year;

function Calendar_get_month(monthNo) {
	return Calendar.Months[monthNo];
}

function Calendar_get_daysofmonth(monthNo, p_year) {
	/*
	Check for leap year ..
	1.Years evenly divisible by four are normally leap years, except for...
	2.Years also evenly divisible by 100 are not leap years, except for...
	3.Years also evenly divisible by 400 are leap years.
	*/
	if ((p_year % 4) == 0) {
		if ((p_year % 100) == 0 && (p_year % 400) != 0)
			return Calendar.DOMonth[monthNo];

		return Calendar.lDOMonth[monthNo];
	} else
		return Calendar.DOMonth[monthNo];
}

function Calendar_calc_month_year(p_Month, p_Year, incr) {
	/*
	Will return an 1-D array with 1st element being the calculated month
	and second being the calculated year
	after applying the month increment/decrement as specified by 'incr' parameter.
	'incr' will normally have 1/-1 to navigate thru the months.
	*/
	var ret_arr = new Array();

	if (incr == -1) {
		// B A C K W A R D
		if (p_Month == 0) {
			ret_arr[0] = 11;
			ret_arr[1] = parseInt(p_Year) - 1;
		}
		else {
			ret_arr[0] = parseInt(p_Month) - 1;
			ret_arr[1] = parseInt(p_Year);
		}
	} else if (incr == 1) {
		// F O R W A R D
		if (p_Month == 11) {
			ret_arr[0] = 0;
			ret_arr[1] = parseInt(p_Year) + 1;
		}
		else {
			ret_arr[0] = parseInt(p_Month) + 1;
			ret_arr[1] = parseInt(p_Year);
		}
	}

	return ret_arr;
}

function Calendar_calc_month_year(p_Month, p_Year, incr) {
	/*
	Will return an 1-D array with 1st element being the calculated month
	and second being the calculated year
	after applying the month increment/decrement as specified by 'incr' parameter.
	'incr' will normally have 1/-1 to navigate thru the months.
	*/
	var ret_arr = new Array();

	if (incr == -1) {
		// B A C K W A R D
		if (p_Month == 0) {
			ret_arr[0] = 11;
			ret_arr[1] = parseInt(p_Year) - 1;
		}
		else {
			ret_arr[0] = parseInt(p_Month) - 1;
			ret_arr[1] = parseInt(p_Year);
		}
	} else if (incr == 1) {
		// F O R W A R D
		if (p_Month == 11) {
			ret_arr[0] = 0;
			ret_arr[1] = parseInt(p_Year) + 1;
		}
		else {
			ret_arr[0] = parseInt(p_Month) + 1;
			ret_arr[1] = parseInt(p_Year);
		}
	}

	return ret_arr;
}

// This is for compatibility with Navigator 3, we have to create and discard one object before the prototype object exists.
new Calendar();

Calendar.prototype.getMonthlyCalendarCode = function() {
	var vCode = "";
	var vHeader_Code = "";
	var vData_Code = "";

	// Begin Table Drawing code here..
	vCode = vCode + "<TABLE BORDER=1 BGCOLOR=\"" + this.gBGColor + "\">";

	vHeader_Code = this.cal_header();
	vData_Code = this.cal_data();
	vCode = vCode + vHeader_Code + vData_Code;

	vCode = vCode + "</TABLE>";

	return vCode;
}

Calendar.prototype.show = function() {
	var vCode = "";

	this.gWinCal.document.open();

	// Setup the page...
	this.wwrite("<html>");
	this.wwrite("<head><title>Calendar</title>");
	this.wwrite("</head>");

	this.wwrite("<body " +
		"link=\"" + this.gLinkColor + "\" " +
		"vlink=\"" + this.gLinkColor + "\" " +
		"alink=\"" + this.gLinkColor + "\" " +
		"text=\"" + this.gTextColor + "\">");
	this.wwriteA("<FONT FACE='" + fontface + "' SIZE=2>");

	// Show navigation buttons
	var prevMMYYYY = Calendar.calc_month_year(this.gMonth, this.gYear, -1);
	var prevMM = prevMMYYYY[0];
	var prevYYYY = prevMMYYYY[1];

	var nextMMYYYY = Calendar.calc_month_year(this.gMonth, this.gYear, 1);
	var nextMM = nextMMYYYY[0];
	var nextYYYY = nextMMYYYY[1];

	this.wwrite("<TABLE WIDTH='100%' BORDER=1 CELLSPACING=0 CELLPADDING=0 BGCOLOR='#F1D50E'><TR><TD ALIGN=center>");
	this.wwrite("<A HREF=\"" +
		"javascript:window.opener.Build(" +
		"'" + this.gReturnItem + "', '" + this.gMonth + "', '" + (parseInt(this.gYear)-1) + "', '" + this.gFormat + "'" +
		");" +
		"\"><FONT COLOR=\"#000000\"><<</FONT><\/A></TD><TD ALIGN=center>");
	this.wwrite("<A HREF=\"" +
		"javascript:window.opener.Build(" +
		"'" + this.gReturnItem + "', '" + prevMM + "', '" + prevYYYY + "', '" + this.gFormat + "'" +
		");" +
		"\"><FONT COLOR=\"#000000\"><</FONT><\/A></TD><TD ALIGN=center>");
	this.wwrite("<FONT COLOR=\"#000000\"><B>&nbsp;" + this.gMonthName + "&nbsp;<br>" + this.gYear + "</B></FONT></TD><TD ALIGN=center>");
	this.wwrite("<A HREF=\"" +
		"javascript:window.opener.Build(" +
		"'" + this.gReturnItem + "', '" + nextMM + "', '" + nextYYYY + "', '" + this.gFormat + "'" +
		");" +
		"\"><FONT COLOR=\"#000000\">></FONT><\/A></TD><TD ALIGN=center>");
	this.wwrite("<A HREF=\"" +
		"javascript:window.opener.Build(" +
		"'" + this.gReturnItem + "', '" + this.gMonth + "', '" + (parseInt(this.gYear)+1) + "', '" + this.gFormat + "'" +
		");" +
		"\"><FONT COLOR=\"#000000\">>></FONT><\/A></TD></TR></TABLE><BR>");

	// Get the complete calendar code for the month..
	vCode = this.getMonthlyCalendarCode();
	this.wwrite(vCode);

	this.wwrite("</font></body></html>");
	this.gWinCal.document.close();
}

Calendar.prototype.showY = function() {
	var vCode = "";
	var i;
	var vr, vc, vx, vy;		// Row, Column, X-coord, Y-coord
	var vxf = 285;			// X-Factor
	var vyf = 200;			// Y-Factor
	var vxm = 10;			// X-margin
	var vym;				// Y-margin
	if (isIE)	vym = 75;
	else if (isNav)	vym = 25;

	this.gWinCal.document.open();

	this.wwrite("<html>");
	this.wwrite("<head><title>Calendar</title>");
	this.wwrite("<style type='text/css'>\n<!--");
	for (i=0; i<12; i++) {
		vc = i % 3;
		if (i>=0 && i<= 2)	vr = 0;
		if (i>=3 && i<= 5)	vr = 1;
		if (i>=6 && i<= 8)	vr = 2;
		if (i>=9 && i<= 11)	vr = 3;

		vx = parseInt(vxf * vc) + vxm;
		vy = parseInt(vyf * vr) + vym;

		this.wwrite(".lclass" + i + " {position:absolute;top:" + vy + ";left:" + vx + ";}");
	}
	this.wwrite("-->\n</style>");
	this.wwrite("</head>");

	this.wwrite("<body " +
		"link=\"" + this.gLinkColor + "\" " +
		"vlink=\"" + this.gLinkColor + "\" " +
		"alink=\"" + this.gLinkColor + "\" " +
		"text=\"" + this.gTextColor + "\">");
	this.wwrite("<FONT FACE='" + fontface + "' SIZE=2><B>");
	this.wwrite("Year : " + this.gYear);
	this.wwrite("</B><BR>");

	// Show navigation buttons
	var prevYYYY = parseInt(this.gYear) - 1;
	var nextYYYY = parseInt(this.gYear) + 1;

	this.wwrite("<TABLE WIDTH='100%' BORDER=1 CELLSPACING=0 CELLPADDING=0 BGCOLOR='#F1D50E'><TR><TD ALIGN=center>");
	this.wwrite("[<A HREF=\"" +
		"javascript:window.opener.Build(" +
		"'" + this.gReturnItem + "', null, '" + prevYYYY + "', '" + this.gFormat + "'" +
		");" +
		"\" alt='Prev Year'><<<\/A>]</TD><TD ALIGN=center>");
	this.wwrite("[<A HREF=\"javascript:window.print();\">Print</A>]</TD><TD ALIGN=center>");
	this.wwrite("[<A HREF=\"" +
		"javascript:window.opener.Build(" +
		"'" + this.gReturnItem + "', null, '" + nextYYYY + "', '" + this.gFormat + "'" +
		");" +
		"\">>><\/A>]</TD></TR></TABLE><BR>");

	// Get the complete calendar code for each month..
	var j;
	for (i=11; i>=0; i--) {
		if (isIE)
			this.wwrite("<DIV ID=\"layer" + i + "\" CLASS=\"lclass" + i + "\">");
		else if (isNav)
			this.wwrite("<LAYER ID=\"layer" + i + "\" CLASS=\"lclass" + i + "\">");

		this.gMonth = i;
		this.gMonthName = Calendar.get_month(this.gMonth);
		vCode = this.getMonthlyCalendarCode();
		this.wwrite(this.gMonthName + "/" + this.gYear + "<BR>");
		this.wwrite(vCode);

		if (isIE)
			this.wwrite("</DIV>");
		else if (isNav)
			this.wwrite("</LAYER>");
	}

	this.wwrite("</font><BR></body></html>");
	this.gWinCal.document.close();
}

Calendar.prototype.wwrite = function(wtext) {
	this.gWinCal.document.writeln(wtext);
}

Calendar.prototype.wwriteA = function(wtext) {
	this.gWinCal.document.write(wtext);
}

Calendar.prototype.cal_header = function() {
	var vCode = "";

	vCode = vCode + "<TR>";
	vCode = vCode + "<TD WIDTH='14%'><FONT SIZE='2' FACE='" + fontface + "' COLOR='" + this.gHeaderColor + "'><B>Sun</B></FONT></TD>";
	vCode = vCode + "<TD WIDTH='14%'><FONT SIZE='2' FACE='" + fontface + "' COLOR='" + this.gHeaderColor + "'><B>Mon</B></FONT></TD>";
	vCode = vCode + "<TD WIDTH='14%'><FONT SIZE='2' FACE='" + fontface + "' COLOR='" + this.gHeaderColor + "'><B>Tue</B></FONT></TD>";
	vCode = vCode + "<TD WIDTH='14%'><FONT SIZE='2' FACE='" + fontface + "' COLOR='" + this.gHeaderColor + "'><B>Wed</B></FONT></TD>";
	vCode = vCode + "<TD WIDTH='14%'><FONT SIZE='2' FACE='" + fontface + "' COLOR='" + this.gHeaderColor + "'><B>Thu</B></FONT></TD>";
	vCode = vCode + "<TD WIDTH='14%'><FONT SIZE='2' FACE='" + fontface + "' COLOR='" + this.gHeaderColor + "'><B>Fri</B></FONT></TD>";
	vCode = vCode + "<TD WIDTH='16%'><FONT SIZE='2' FACE='" + fontface + "' COLOR='" + this.gHeaderColor + "'><B>Sat</B></FONT></TD>";
	vCode = vCode + "</TR>";

	return vCode;
}

Calendar.prototype.cal_data = function() {
	var vDate = new Date();
	vDate.setDate(1);
	vDate.setMonth(this.gMonth);
	vDate.setFullYear(this.gYear);

	var vFirstDay=vDate.getDay();
	var vDay=1;
	var vLastDay=Calendar.get_daysofmonth(this.gMonth, this.gYear);
	var vOnLastDay=0;
	var vCode = "";

	/*
	Get day for the 1st of the requested month/year..
	Place as many blank cells before the 1st day of the month as necessary.
	*/

	vCode = vCode + "<TR>";
	for (i=0; i<vFirstDay; i++) {
		vCode = vCode + "<TD WIDTH='14%'" + this.write_weekend_string(i) + "><FONT SIZE='2' FACE='" + fontface + "'> </FONT></TD>";
	}

	// Write rest of the 1st week
	for (j=vFirstDay; j<7; j++) {
		vCode = vCode + "<TD WIDTH='14%'" + this.write_weekend_string(j) + "><FONT SIZE='2' FACE='" + fontface + "'>" +
			"<A HREF='#' " +
				"onClick=\"self.opener.document." + this.gReturnItem + ".value='" +
				this.format_data(vDay) +
				"';window.close();\">" +
				this.format_day(vDay) +
			"</A>" +
			"</FONT></TD>";
		vDay=vDay + 1;
	}
	vCode = vCode + "</TR>";

	// Write the rest of the weeks
	for (k=2; k<7; k++) {
		vCode = vCode + "<TR>";

		for (j=0; j<7; j++) {
			vCode = vCode + "<TD WIDTH='14%'" + this.write_weekend_string(j) + "><FONT SIZE='2' FACE='" + fontface + "'>" +
				"<A HREF='#' " +
					"onClick=\"self.opener.document." + this.gReturnItem + ".value='" +
					this.format_data(vDay) +
					"';window.close();\">" +
				this.format_day(vDay) +
				"</A>" +
				"</FONT></TD>";
			vDay=vDay + 1;

			if (vDay > vLastDay) {
				vOnLastDay = 1;
				break;
			}
		}

		if (j == 6)
			vCode = vCode + "</TR>";
		if (vOnLastDay == 1)
			break;
	}

	// Fill up the rest of last week with proper blanks, so that we get proper square blocks
	for (m=1; m<(7-j); m++) {
		if (this.gYearly)
			vCode = vCode + "<TD WIDTH='14%'" + this.write_weekend_string(j+m) +
			"><FONT SIZE='2' FACE='" + fontface + "' COLOR='gray'> </FONT></TD>";
		else
			vCode = vCode + "<TD WIDTH='14%'" + this.write_weekend_string(j+m) +
			"><FONT SIZE='2' FACE='" + fontface + "' COLOR='gray'>" + m + "</FONT></TD>";
	}

	return vCode;
}

Calendar.prototype.format_day = function(vday) {
	var vNowDay = gNow.getDate();
	var vNowMonth = gNow.getMonth();
	var vNowYear = gNow.getFullYear();

	if (vday == vNowDay && this.gMonth == vNowMonth && this.gYear == vNowYear)
		return ("<FONT COLOR=\"RED\"><B>" + vday + "</B></FONT>");
	else
		return (vday);
}

Calendar.prototype.write_weekend_string = function(vday) {
	var i;

	// Return special formatting for the weekend day.
	for (i=0; i<weekend.length; i++) {
		if (vday == weekend[i])
			return (" BGCOLOR=\"" + weekendColor + "\"");
	}

	return "";
}

Calendar.prototype.format_data = function(p_day) {
	var vData;
	var vMonth = 1 + this.gMonth;
	vMonth = (vMonth.toString().length < 2) ? "0" + vMonth : vMonth;
	var vMon = Calendar.get_month(this.gMonth).substr(0,3).toUpperCase();
	var vFMon = Calendar.get_month(this.gMonth).toUpperCase();
	var vY4 = new String(this.gYear);
	var vY2 = new String(this.gYear.substr(2,2));
	var vDD = (p_day.toString().length < 2) ? "0" + p_day : p_day;

	switch (this.gFormat) {
		case "MM\/DD\/YYYY" :
			vData = vMonth + "\/" + vDD + "\/" + vY4;
			break;
		case "MM\/DD\/YY" :
			vData = vMonth + "\/" + vDD + "\/" + vY2;
			break;
		case "MM-DD-YYYY" :
			vData = vMonth + "-" + vDD + "-" + vY4;
			break;
		case "MM-DD-YY" :
			vData = vMonth + "-" + vDD + "-" + vY2;
			break;

		case "DD\/MON\/YYYY" :
			vData = vDD + "\/" + vMon + "\/" + vY4;
			break;
		case "DD\/MON\/YY" :
			vData = vDD + "\/" + vMon + "\/" + vY2;
			break;
		case "DD-MON-YYYY" :
			vData = vDD + "-" + vMon + "-" + vY4;
			break;
		case "DD-MON-YY" :
			vData = vDD + "-" + vMon + "-" + vY2;
			break;

		case "DD\/MONTH\/YYYY" :
			vData = vDD + "\/" + vFMon + "\/" + vY4;
			break;
		case "DD\/MONTH\/YY" :
			vData = vDD + "\/" + vFMon + "\/" + vY2;
			break;
		case "DD-MONTH-YYYY" :
			vData = vDD + "-" + vFMon + "-" + vY4;
			break;
		case "DD-MONTH-YY" :
			vData = vDD + "-" + vFMon + "-" + vY2;
			break;

		case "DD\/MM\/YYYY" :
			vData = vDD + "\/" + vMonth + "\/" + vY4;
			break;
		case "DD\/MM\/YY" :
			vData = vDD + "\/" + vMonth + "\/" + vY2;
			break;
		case "DD-MM-YYYY" :
			vData = vDD + "-" + vMonth + "-" + vY4;
			break;
		case "DD-MM-YY" :
			vData = vDD + "-" + vMonth + "-" + vY2;
			break;

		default :
			vData = vMonth + "\/" + vDD + "\/" + vY4;
	}

	return vData;
}

function Build(p_item, p_month, p_year, p_format) {
	var p_WinCal = ggWinCal;
	gCal = new Calendar(p_item, p_WinCal, p_month, p_year, p_format);

	// Customize your Calendar here..
	gCal.gBGColor="white";
	gCal.gLinkColor="black";
	gCal.gTextColor="black";
	gCal.gHeaderColor="#000000";

	// Choose appropriate show function
	if (gCal.gYearly)	gCal.showY();
	else	gCal.show();
}

function show_calendar() {
	/*
		p_month : 0-11 for Jan-Dec; 12 for All Months.
		p_year	: 4-digit year
		p_format: Date format (mm/dd/yyyy, dd/mm/yy, ...)
		p_item	: Return Item.
	*/

	p_item = arguments[0];
	if (arguments[1] == null)
		p_month = new String(gNow.getMonth());
	else
		p_month = arguments[1];
	if (arguments[2] == "" || arguments[2] == null)
		p_year = new String(gNow.getFullYear().toString());
	else
		p_year = arguments[2];
	if (arguments[3] == null)
		p_format = "MM/DD/YYYY";
	else
		p_format = arguments[3];

	vWinCal = window.open("about:blank", "Calendar",
		"width=250,height=250,status=no,resizable=no,top=200,left=200");
	vWinCal.opener = self;
	ggWinCal = vWinCal;

	Build(p_item, p_month, p_year, p_format);
}
/*
Yearly Calendar Code Starts here
*/
function show_yearly_calendar(p_item, p_year, p_format) {
	// Load the defaults..
	if (p_year == null || p_year == "")
		p_year = new String(gNow.getFullYear().toString());
	if (p_format == null || p_format == "")
		p_format = "MM/DD/YYYY";

	var vWinCal = window.open("about:blank", "Calendar", "scrollbars=yes");
	vWinCal.opener = self;
	ggWinCal = vWinCal;

	Build(p_item, null, p_year, p_format);
}

function ControlWrapper()
{
    this.ControlWrapper__Construct = function(control)
    {
        this.Control = control;
    }
    this.get_Value = function() { } // abstract
    this.set_Value = function(value) { } // abstract
    this.get_SupportsOnBlur = function() { } // abstract

}

var ControlWrapperFactory =
{
    Create: function(control)
    {
        switch(control.tagName.toLowerCase())
        {
            case "input":
            {
                switch(control.type.toLowerCase())
                {
                    case "hidden":
                    case "text":
                    case "password":
                        return new GenericControlWrapper(control);
                    case "checkbox":
                        return new CheckBoxControlWrapper(control);
                        break;

                }
                break;
            }
            case "select":
                return new GenericControlWrapper(control);
                break;
        }
    }
}

function GenericControlWrapper(control)
{
    this.ControlWrapper__Construct(control);

    /**
     * Gets the checked value of the control
     */
    this.get_Value = function()
    {
        return (this.Control.value == "" ? null : this.Control.value);
    }

    /**
     * Sets the checked of the control.
     *
     * @param {Object} value
     */
    this.set_Value = function(value)
    {
        this.Control.value = value;
    }

    this.get_SupportsOnBlur = function()
    {
        return true;
    }
}
GenericControlWrapper.prototype = new ControlWrapper();

function CheckBoxWrapper(checkBox)
{
    this.ControlWrapper__Construct(checkBox);

    /**
     * Gets the checked value of the checkbox
     */
    this.get_Value = function()
    {
        return this.Control.checked;
    }

    /**
     * Sets the checked of the check box.
     *
     * @param {Boolean} value
     */
    this.set_Value = function(value)
    {
        this.Control.checked = value;
    }

    this.get_SupportsOnBlur = function()
    {
        return false;
    }

}
CheckBoxWrapper.prototype = new ControlWrapper();

function ValidatorBase()
{
    this.DisplayMessageOnBlur = true;
    this.SetFocusOnBlurValidationFailure = true;
    this.AutoTrimControlValue = true;

    this.ValidateManager = null;
    var _this = this;

    /**
     * @constructor
     */
    this.ValidatorBase__Construct = function(control, label)
    {
        this._controlWrapper = ControlWrapperFactory.Create(control);
        this.Label = label;
    }

    /**
     * Gets the control Wrapper used by this validator.
     *
     * @type ControlWrapper
     */
    this.get_ControlWrapper = function()
    {
        return this._controlWrapper;
    }

    this.get_Control = function()
    {
        return this._controlWrapper.Control;
    }

    this.get_ControlValue = function()
    {
        value = this._controlWrapper.get_Value();
        if(this.AutoTrimControlValue && this._controlWrapper.get_Value() != null)
        {
            if(value.trim) value = value.trim();
        }
        return value;
    }

    this.ValidatorBase_HandleControlEvents = function(validateOnBlur, displayMessageOnBlur, setFocusOnBlurValidationFailure)
    {
        if(displayMessageOnBlur === undefined) displayMessageOnBlur = true;
        if(setFocusOnBlurValidationFailure === undefined) setFocusOnBlurValidationFailure = true;

        var control = this._controlWrapper.Control;

        if(validateOnBlur && this._controlWrapper.get_SupportsOnBlur())
        {
            EventManager.Attach(control, 'blur', this.control_Blur);
        }
        this.DisplayMessageOnBlur = displayMessageOnBlur;
        this.SetFocusOnBlurValidationFailure = setFocusOnBlurValidationFailure;
    }

    this.HandleControlEvents = function(validateOnBlur, displayMessageOnBlur, setFocusOnBlurValidationFailure)
    {
        this.ValidatorBase_HandleControlEvents(validateOnBlur, displayMessageOnBlur, setFocusOnBlurValidationFailure);
    }
    this.HandlingOnBlur = false;

    this.control_Blur = function()
    {
        var context = EventManager.GetContext(this);
        validator = ValidationManager.GetValidator(context);
        validator.HandlingOnBlur = true;
        validator.Validate();
        if(validator.get_IsValid() == false)
        {
            if(validator.DisplayMessageOnBlur) alert(validator.get_ValidationMessage());
            if(validator.SetFocusOnBlurValidationFailure) validator.get_Control().focus();
        }

        validator.HandlingOnBlur = false;
    }

    this.Validate = function() { }
    this.get_IsValid = function() { }
    this.get_ValidationMessage = function() { }
}

/**
 * @constructor
 * @extends ValidatorBase
 */
function GenericValidator(control, label)
{
    var _this = this;
    this.ValidatorBase__Construct(control, label);

    this.IsRequired = false;
    this.IsFloat = false;
    this.IsInteger = false;
    this.IsDate = false;
    this.MaxLength = -1;
    this.MinLength = 0;
    this.IsEmailAddress = false;
    this.ValidateRequiredOnBlur = false;

    this._requiredValid = false;
    this._numberValid = false;
    this._dateValid = false;
    this._maxLengthValid = false;
    this._minLengthValid = false;
    this._emailAddressValid = false;

    this.get_IsValid = function()
    {
        isValid =
            this._requiredValid &&
            this._numberValid &&
            this._dateValid &&
            this._maxLengthValid &&
            this._minLengthValid &&
            this._emailAddressValid;
        return isValid;
    }

    this.get_ValidationMessage = function()
    {
        msg = "";
        if(this.get_IsValid()) return "";
        if(!this._requiredValid)
        {
            msg += this.Label + " is required.\n";
        }
        if(!this._numberValid)
        {
            msg += this.Label + " must be a number.\n";
        }
        if(!this._dateValid)
        {
            msg += this.Label + " must be a valid date.\n";
        }
        if(!this._minLengthValid)
        {
            msg += this.Label + " must be at least " + this.MinLength + " characters long.\n";
        }
        if(!this._maxLengthValid)
        {
            msg += this.Label + " cannot be longer than " + this.MaxLength + " characters.\n";
        }
        if(!this._emailAddressValid)
        {
            msg += this.Label + " must be a valid email address.\n";
        }
        return msg;
    }

    this.validateRequired = function()
    {
        this._requiredValid = this.get_ControlValue() != null;
    }

    this.validateFloat = function()
    {
        this.validateNumber(parseFloat);
    }

    this.validateInteger = function()
    {
        this.validateNumber(parseInt);
    }

    this.validateNumber = function(parseFunction)
    {
        this._numberValid = true;
        value = this.get_ControlValue();
        if(value == null) return;
        n = parseFunction(value);
        this._numberValid = !isNaN(n);
    }

    this.validateDate = function()
    {
        this._dateValid = true;
        value = this.get_ControlValue();
        if(value == null) return;
        n = Date.parse(value);
        this._dateValid = !isNaN(n);
    }

    this.validateLength = function()
    {
        var value = this.get_ControlValue();
        this._minLengthValid = true;
        this._maxLengthValid = true;
        if(value == null) return;
        if(this.MaxLength > -1)
        {
            if(value.length > this.MaxLength) this._minLengthValid = false;
        }
        if(this.MinLength > -1)
        {
            if(value.length < this.MinLength) this._maxLengthValid = false;
        }
    }

    this.validateEmailAddress = function()
    {
        var value = this.get_ControlValue();
        this._emailAddressValid = true;
        if(value == null) return;
        //var regEx = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*\.(\w{2}|(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum))$/;
        var regEx = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;
        this._emailAddressValid = regEx.test(value);
    }

    this.Validate = function()
    {
        this._requiredValid = true;
        this._numberValid = true;
        this._dateValid = true;
        this._maxLengthValid = true;
        this._minLengthValid = true;
        this._emailAddressValid = true;

        if(!this.HandlingOnBlur || this.ValidateRequiredOnBlur)
        {
            if(this.IsRequired) this.validateRequired();
        }
        if(this.IsFloat) this.validateFloat();
        if(this.IsInteger) this.validateInteger();
        if(this.IsDate) this.validateDate();
        this.validateLength();
        if(this.IsEmailAddress) this.validateEmailAddress();
    }

    this.HandleControlEvents = function(validateOnBlur, displayMessageOnBlur, setFocusOnBlurValidationFailure)
    {
        this.ValidatorBase_HandleControlEvents(validateOnBlur, displayMessageOnBlur, setFocusOnBlurValidationFailure);
    }
}
GenericValidator.prototype = new ValidatorBase();

var ValidationManager =
{
    _validators: new Array(),

    /**
     * Registers the specified validator.
     *
     * @param {ValidatorBase} validator The validator to register.
     */
    RegisterValidator: function(validator)
    {
        this._validators[validator.get_Control().name] = validator;
    },


    /**
     * @param {DOMNode} control The control that this validator handles.
     */
    GetValidator: function(control)
    {
        return this._validators[control.name];
    },

    RegisterGenericValidator: function(control, label, isRequired, isFloat, isInteger, isDate, isEmail, maxLength, minLength, validateRequiredOnBlur)
    {
        validator = new GenericValidator(control, label);
        validator.IsRequired = isRequired;
        validator.IsFloat = isFloat;
        validator.IsInteger = isInteger;
        validator.IsDate = isDate;
        validator.IsEmailAddress = isEmail;
        validator.MaxLength = maxLength;
        validator.MinLength = minLength;
        validator.ValidateRequiredOnBlur = validateRequiredOnBlur;
        this.RegisterValidator(validator);
        return validator;
    },

    /**
     * Calls the Validate method on all of the registered validators and returns their messages.
     *
     * @param {Boolean} displayMessage Whether or not to display an alert box with the messsages.
     * @type {String}
     * @return The validation messages from the validators, if any.
     */
    ValidateAll: function(displayMessage)
    {
        msg = "";
        for(var control in this._validators)
        {
            this._validators[control].Validate();
            msg += this._validators[control].get_ValidationMessage();
        }
        if(displayMessage && msg != "")
        {
            alert(msg);
        }
        return msg;
    }

}