Date.FormatTypes = { ShortDate:0, LongDate:1, ShortEuroDate:2, LongEuroDate:3, Numeric:4, NumericEuro:5, Time:6, TimeMilitary:7, ODBC:8, XSD:9 } ; 
Date.prototype.GetDayOfWeekName = function() { return ["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"][this.getDay()] ; }
Date.prototype.GetDayOfWeekShortName = function() { return ["Sun","Mon","Tue","Wed","Thu","Fri","Sat"][this.getDay()] ; }
Date.prototype.GetMonthName = function() { return ["January","February","March","April","May","June","July","August", "September","October","November","December"][this.getMonth()] ; } ;
Date.prototype.GetMonthShortName = function() { return ["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug", "Sep","Oct","Nov","Dec"][this.getMonth()] ; } ;
Date.prototype.GetHumanDateString = function() { return this.GetMonthName() + " " + this.getDate() + ", " + this.getFullYear() ; } ;
Date.prototype.GetShortHumanDateString = function(delim) { 
	if (!delim) var delim = "-" ; 
	return this.getMonthShortName() + delim + this.getDate() + delim + this.getYear() ; 
} ;
Date.prototype.GetShortDateString = function(delim) {
	if (!delim) var delim = "-" ; 
	return (this.getMonth()+1) + delim + this.getDate() + delim + this.getYear() ; 
} ;
Date.prototype.GetHumanTimeString = function() {
	var h = this.getHours() ;
	var m = "00" + this.getMinutes() ;
	var t = h >= 12 ? "pm" : "am" ;
	if (h == 0) h = 24 ;
	if (h > 12) h -= 12 ;
	return h + ":" + m.substr(-2,2) + " " + t ;
} ;
Date.prototype.Format = function(FormatType) {
	switch (FormatType) {
		case Date.FormatTypes.ShortDate : return this.GetShortHumanDateString() ;
		case Date.FormatTypes.LongDate : return this.GetHumanDateString() ;
		case Date.FormatTypes.ShortEuroDate : return this.getDate() + "-" + this.GetMonthShortName() + "-" + this.getYear() ;
		case Date.FormatTypes.LongEuroDate : return this.getDate() + " " + this.GetMonthName() + " " + this.getFullYear() ;
		case Date.FormatTypes.Numeric : return (this.getMonth()+1) + "-" + this.getDate() + "-" + this.getYear() ;
		case Date.FormatTypes.NumericEuro : return this.getDate() + "-" + (this.getMonth()+1) + "-" + this.getYear() ;
		case Date.FormatTypes.Time : return this.GetHumanTimeString() ;
		case Date.FormatTypes.TimeMilitary : {
			var h = '00' + this.getHours() ;
			var m = '00' + this.getMinutes() ;
			return h.substr(-2,2) + ':' + m.substr(-2,2) ;
		}
		case Date.FormatTypes.ODBC : {
			var m = '00' + (this.getMonth() + 1) ;
			var d = '00' + this.getDate() ;
			var h = '00' + this.getHours() ;
			var mn = '00' + this.getMinutes() ;
			var s = '00' + this.getSeconds() ;
			return this.getFullYear() + '-' + m.substr(-2,2) + '-' + d.substr(-2,2) + ' ' + h.substr(-2,2) + ':' + mn.substr(-2,2) + ':' + s.substr(-2,2) ;
		}
		case Date.FormatTypes.XSD : {
			var m = '00' + (this.getUTCMonth() + 1) ;
			var d = '00' + this.getUTCDate() ;
			var h = '00' + this.getUTCHours() ;
			var mn = '00' + this.getUTCMinutes() ;
			var s = '00' + this.getUTCSeconds() ;
			return this.getUTCFullYear() + '-' + m.substr(-2,2) + '-' + d.substr(-2,2) + ' ' + h.substr(-2,2) + ':' + mn.substr(-2,2) + ':' + s.substr(-2,2) + 'Z' ;
		} 
		default : return this.toString() ;
	}
} ;
Date.CompareTypes = { Default:0, Date:1, Time:2 } ;
Date.prototype.Compare = function(dateToCompareTo, options) {
	if (!dateToCompareTo) var dateToCompareTo = new Date() ;
	if (!options) var options = Date.CompareTypes.Date | Date.CompareTypes.Time ;
	var d1 = new Date(
		((options & Date.CompareTypes.Date)?(this.getFullYear()):(new Date().getFullYear())) , 
		((options & Date.CompareTypes.Date)?(this.getMonth()):(new Date().getMonth())) , 
		((options & Date.CompareTypes.Date)?(this.getDate()):(new Date().getDate())) , 
		((options & Date.CompareTypes.Time)?(this.getHours()):0) , 
		((options & Date.CompareTypes.Time)?(this.getMinutes()):0) , 
		((options & Date.CompareTypes.Time)?(this.getSeconds()):0)
	) ;
	var d2 = new Date(
		((options & Date.CompareTypes.Date)?(dateToCompareTo.getFullYear()):(new Date().getFullYear())) , 
		((options & Date.CompareTypes.Date)?(dateToCompareTo.getMonth()):(new Date().getMonth())) , 
		((options & Date.CompareTypes.Date)?(dateToCompareTo.getDate()):(new Date().getDate())) , 
		((options & Date.CompareTypes.Time)?(dateToCompareTo.getHours()):0) , 
		((options & Date.CompareTypes.Time)?(dateToCompareTo.getMinutes()):0) , 
		((options & Date.CompareTypes.Time)?(dateToCompareTo.getSeconds()):0)
	) ;
	if (d1.getTime() > d2.getTime()) return 1 ;
	if (d1.getTime() < d2.getTime()) return -1 ;
	return 0 ;
} ;
Date.AddUnits = { Year:0,Month:1,Day:2,Hour:3,Minute:4,Second:5,Millisecond:6 } ;
Date.prototype.Add = function(unit, n) {
	if (!unit) throw new Error("Date.Add(): you must specify the unit you wish to use for addition.") ;
	if (!n) var n = 1 ;
	switch (unit) {
		case Date.AddUnits.Year : return new Date(this.getFullYear()+n, this.getMonth(), this.getDate(), this.getHours(), this.getMinutes(), this.getSeconds(), this.getMilliseconds()) ;
		case Date.AddUnits.Month : return new Date(this.getFullYear(), this.getMonth()+n, this.getDate(), this.getHours(), this.getMinutes(), this.getSeconds(), this.getMilliseconds()) ;
		case Date.AddUnits.Day : return new Date(this.getFullYear(), this.getMonth(), this.getDate()+n, this.getHours(), this.getMinutes(), this.getSeconds(), this.getMilliseconds()) ;
		case Date.AddUnits.Hour : return new Date(this.getFullYear(), this.getMonth(), this.getDate(), this.getHours()+n, this.getMinutes(), this.getSeconds(), this.getMilliseconds()) ;
		case Date.AddUnits.Minute : return new Date(this.getFullYear(), this.getMonth(), this.getDate(), this.getHours(), this.getMinutes()+n, this.getSeconds(), this.getMilliseconds()) ;
		case Date.AddUnits.Second : return new Date(this.getFullYear(), this.getMonth(), this.getDate(), this.getHours(), this.getMinutes(), this.getSeconds()+n, this.getMilliseconds()) ;
		case Date.AddUnits.Millisecond : return new Date(this.getFullYear(), this.getMonth(), this.getDate(), this.getHours(), this.getMinutes(), this.getSeconds(), this.getMilliseconds()+n) ;
		default : return new Date(this.getFullYear(), this.getMonth(), this.getDate()+n, this.getHours(), this.getMinutes(), this.getSeconds(), this.getMilliseconds()) ;
	}
} ;
Math.RoundToPlaces = function(n, p) { return Math.round(n*Math.pow(10,p))/Math.pow(10,p) ; } ;
Math.Random = function(maximum, minimum, floating) {
	var M, m, r;
	m = minimum || 0;
	M = maximum - m;
	r = Math.random()*M + m;
	if(floating) r = r>maximum ? maximum : r;
	else r = Math.round(r);
	return r;
} ;
String.FormatTypes = { Date:0, DateTime:1, ShortDate:2, Time:3, PostalCode:4, Phone:5, Currency:6, Email:7 } ;
String.EscapeTypes = { Database:0 , URI:1 , Script:2, URIComponent:3 } ;
String.prototype.Trim = function() { return this.replace(/(^\s*)|(\s*$)/g, ""); } ;
String.prototype.IsEmpty = function() { return (this.Trim() == '' || this.Trim() == null) ; } ;
String.prototype.Contains = function(arr) {
	if (!arr) arr = ["'",'"','\\'] ;
	for (var i = 0; i < this.length; i++) {
		var c = this.charAt(i) ;
		for (var j = 0; j < arr.length; j++) {
			if (c == arr[j])  return true ;
		}
	}
	return false ;
} ;
String.prototype.In = function(arr) {
	for (var i = 0; i < arr.length; i++) {
		if (this.Trim() == arr[i]) return true ;
	}
	return false ;
} ;
String.prototype.EndsWith = function(arr) {
	for (var i = 0; i < arr.length; i++) {
		if (this.indexOf(arr[i]) == this.length - arr[i].length) return true ;
	}
	return false ;
} ;
String.prototype.Escape = function(EscapeType) {
	switch (EscapeType) {
		case String.EscapeTypes.Database		: return this.replace(/[\']/g, "''") ; 
		case String.EscapeTypes.Script			: return this.replace(/([\'\"])/g,"\\$1") ;
		case String.EscapeTypes.URI				: return encodeURI(this) ;
		case String.EscapeTypes.URIComponent	: return encodeURIComponent(this) ;
		default									: return escape(this) ;
	}
} ;
String.prototype.Unescape = function(EscapeType) {
	switch (EscapeType) {
		case String.EscapeTypes.Script			: return this.replace(/\\\'/g,"'").replace(/\\\"/g,'"') ;
		case String.EscapeTypes.URI				: return decodeURI(this) ;
		case String.EscapeTypes.URIComponent	: return decodeURIComponent(this) ;
		default									: return unescape(this) ;
	}
} ;
String.prototype.ParseCurrency = function() { return parseFloat(this.replace(/[\s\$,]/g,"")) ; } ;
String.prototype.Format = function(FormatType) {
	var s = this.Trim() ;
	switch (FormatType) {
		case String.FormatTypes.Date : {
			var d = new Date(this) ;
			if (!isNaN(d)) {
				if (this.search(/\d{3}/) == -1) d.setYear(Math.floor((new Date()).getFullYear() / 100) * 100 + d.getFullYear() % 100);
				s = d.GetHumanDateString() ;
			}
			break ;
		}
		case String.FormatTypes.ShortDate : {
			var d = new Date(this) ;
			if (!isNaN(d)) {
				if (this.search(/\d{3}/) == -1) d.setYear(Math.floor((new Date()).getFullYear() / 100) * 100 + d.getFullYear() % 100);
				s = d.GetShortDateString() ;
			}
			break ;
		}
		case String.FormatTypes.Time : {
			var t = new Date(this) ;
			if (!isNaN(t)) s = t.GetHumanTimeString() ;
			break ;
		}
		case String.FormatTypes.PostalCode : {
			var temp = this.replace(/\D/g, "") ;
			if (temp.length == 5 || temp.length == 9) { 
				if (temp.length == 5) s = temp ;
				else s = temp.substring(0,5) + "-" + temp.substring(5,9) ;
			}
			break ;
		}
		case String.FormatTypes.Phone : {
			var temp = this.replace(/\D/g, "") ;
			if (temp.length > 9 && temp.length < 26) {
				if (temp.length == 10) {
					s = "(" + temp.substring(0,3) + ") " ;
					s += temp.substring(3,6) + "-" + temp.substring(6,10) ;
				}
			}
			break ;
		}
		case String.FormatTypes.Currency : {
			if (s.Validate(FormatType)) {
				var numplaces = 2 ;
				var neg = false ;
				var temp = this.ParseCurrency() ;
				if (temp < 0) {
					neg = true ;
					temp = Math.abs(temp) ;
				}
				temp = Math.round(temp*Math.pow(10,numplaces))/Math.pow(10,numplaces) ;
				temp = String(temp) ;
				if (temp.indexOf('.') == -1) temp += '.00' ;
				temp = temp.split('.') ;
				if (temp[1].length < 2) temp[1] += '0' ;
				if (temp[0].length > 3) {
					var arr = [] ;
					for (var i=0;i<temp[0].length;i++) arr[arr.length] = temp[0].charAt(i) ;
					arr = arr.reverse() ;
					arr2 = [] ;
					for (var i=0;i<arr.length;i++) {
						arr2[arr2.length] = arr[i] ;
						if ((i+1)%3==0) arr2[arr2.length] = ',' ;
					}
					arr = arr2.reverse() ;
					temp[0] = '' ;
					if (arr[0] == ',') arr.shift() ;
					for (var i=0;i<arr.length;i++) temp[0] += arr[i] ;
				}
				s = ((neg?'-':'')) + '$' + temp.join('.') ;
			}
			break ;
		}
		default : { break ; }
	} ;
	return s ;	
} ;
String.prototype.Validate = function(FormatType) {
	switch (FormatType) {
		case String.FormatTypes.DateTime : 
		case String.FormatTypes.Date : 
		case String.FormatTypes.Time : {
			return !isNaN(new Date(this.Trim())) ;
		}
		case String.FormatTypes.Phone : {
			var temp = this.replace(/\D/g, "") ;
			return temp.length > 9 && temp.length < 26 ;
		}
		case String.FormatTypes.PostalCode : {
			var temp = this.replace(/\D/g, "") ;
			return temp.match(/^\d{5}$|^\d{9}$/) != null ;
		}
		case String.FormatTypes.Email : {
			var temp = this.replace(/\s/g, "") ;
			return (temp.match(/^[\w\.\-]+\x40[\w\.\-]+\.\w{2,3}$/)) && temp.charAt(0) != "." && !(temp.match(/\.\./)) ;
		}
		case String.FormatTypes.Currency : {
			var temp = this.replace(/\s/g, "") ;
			if (!temp.IsEmpty()) {
				if (temp.indexOf(',') > -1) b = temp.match(/\$?(\d{0,3}(,\d{3})*)(\.\d{0,4})?/) != null ;
				return temp.match(/\$?\d*(\.\d{0,4})?/) != null ;
			} else return false ;
		}
		default : { break ; }
	}
	return true ;
} ;