if (document.getElementById("spnCalendar") == null)
{
	document.write('<div id="spnCalendar" onMouseOut="fnStartCalHideDelay()"  onMouseOver="fnCancelCalHideDelay()" style="position:absolute; display:none; width:160px; height:150px; background-color:white;border:1px solid black;z-index:999"></div>');
}

var strDateFormat = new String("d-M-yyyy")
var CurrentFilter = null

/* Enumeration FilterType */
function enum_FilterType()
{
	this.String = 1
	this.Date = 2
	this.Integer = 3
	this.StringArray = 4
	this.IntegerArray = 5
	this.DateArray = 6
}
var FilterType = new enum_FilterType()
/* End Enumeration FilterType */

/* Class DocumentFilterItem */
function DocumentFilterItem(strName, rawValue)
{
	this.strName = strName
	this.rawValue = rawValue	
}

DocumentFilterItem.prototype.fnGetRawFilterValue = function()
{
	return this.rawValue
}

DocumentFilterItem.prototype.fnGetFilterValue = function(type)
{

	return this.fnParseFilterValue(this.rawValue, type)
}

DocumentFilterItem.prototype.fnParseRawFilterValue = function(value, type)
{
	var strReturnValue = new String
	if (value == null)
		return null
	switch (type)
	{
		case FilterType.String :
			// strReturnValue = escape(value)
			strReturnValue = encodeURI(value)
			break;
		case FilterType.Integer:
			strReturnValue = value
			break;
		case FilterType.Date:
			strReturnValue = getDateFromFormat(value, strDateFormat)/1000.0
			break;
		case FilterType.StringArray :
			for (var j=0; j<value.length; j++)
			{		
				if (strReturnValue.length > 0)
				{
					strReturnValue += ";"
				}		
				strReturnValue += escape(value[j])	
			}	
			// strReturnValue = escape(strReturnValue)			
			strReturnValue = encodeURI(strReturnValue)
			break;
		case FilterType.IntegerArray:
			for (var j=0; j<value.length; j++)
			{		
				if (strReturnValue.length > 0)
				{
					strReturnValue += ";"
				}		
				strReturnValue += value[j]
			}	
			// strReturnValue = escape(strReturnValue)
			strReturnValue = encodeURI(strReturnValue)			
			break;
			
		case FilterType.DateArray:
			for (var j=0; j<value.length; j++)
			{		
				if (strReturnValue.length > 0)
				{
					strReturnValue += ";"
				}		
				strReturnValue += getDateFromFormat(value[j], strDateFormat)/1000.0
			}	
			// strReturnValue = escape(strReturnValue)	
			strReturnValue = encodeURI(strReturnValue)	
			break;	
		
	}
	return strReturnValue
}


DocumentFilterItem.prototype.fnParseFilterValue = function(rawValue, type)
{
	var returnValue
	switch (type)
	{
		case FilterType.String:
			// returnValue = unescape(rawValue)
			returnValue = decodeURI(rawValue).replace(/%2B/,"+")
			break;
		case FilterType.Integer:
			returnValue = rawValue
			break;
		case FilterType.Date:
			returnValue = formatDate(new Date(rawValue*1000.0), strDateFormat)
			break;
		case FilterType.StringArray :
			strRawArray = decodeURI(rawValue).replace(/%2B/,"+")
			// strRawArray = unescape(rawValue)
			valueArr = rawValue.split(";")
			for (var j=0; j<valueArr.length; j++)
			{		
					
				valueArr[j] = unescape(valueArr[j])	
			}	
			returnValue = valueArr	
			break;
		case FilterType.IntegerArray:
			strRawArray = decodeURI(rawValue).replace(/%2B/,"+")
			// strRawArray = unescape(rawValue)
			valueArr = rawValue.split(";")			
			returnValue = valueArr	
			break;
		case FilterType.DateArray:
			strRawArray = decodeURI(rawValue).replace(/%2B/,"+")
			// strRawArray = unescape(rawValue)
			valueArr = rawValue.split(";")
			for (var j=0; j<valueArr.length; j++)
			{		
					
				valueArr[i] = formatDate(new Date(valueArr[i]*1000.0), strDateFormat)
			}	
			returnValue = valueArr	
			break;	
		
	}
	return returnValue
}

/* End Class DocumentFilterItem */

/* Class DocumentFilter */
function DocumentFilter(strBaseUrl)
{
	this.filterItems = new Array()
	this.strBaseUrl = strBaseUrl
}

DocumentFilter.prototype.fnSetFilterItem = function(strName, type, value)
{
	var filterItemIndex = this.fnGetFilterItemIndex(strName)
	if (filterItemIndex < 0)
	{
		filterItemIndex = this.filterItems.length
	}
	
	var rawValue = DocumentFilterItem.prototype.fnParseRawFilterValue(value, type)
	this.filterItems[filterItemIndex] = new DocumentFilterItem(strName, rawValue)
}

DocumentFilter.prototype.fnSetRawFilterItem = function(strName, value)
{
	var filterItemIndex = this.fnGetFilterItemIndex(strName)
	if (filterItemIndex < 0)
	{
		filterItemIndex = this.filterItems.length
	}
	this.filterItems[filterItemIndex] = new DocumentFilterItem(strName, value)
}

DocumentFilter.prototype.fnSetFilterItemObject = function(DocumentFilterItem)
{
	var filterItemIndex = this.fnGetFilterItemIndex(DocumentFilterItem.strName)
	if (filterItemIndex < 0)
	{
		filterItemIndex = this.filterItems.length
	}
	this.filterItems[filterItemIndex] = DocumentFilterItem
}

DocumentFilter.prototype.fnGetFilterItem = function(strName)
{
	var filterItemIndex = this.fnGetFilterItemIndex(strName)
	if (filterItemIndex < 0)
	{
		return null
	}
	return this.filterItems[filterItemIndex]
}

DocumentFilter.prototype.fnGetFilterItemIndex = function(strName)
{
	for(var i = 0 ; i< this.filterItems.length; i++)
	{
		if (this.filterItems[i].strName == strName)
			return i
	}
	return -1
}


DocumentFilter.prototype.fnGetFilterHash = function()
{
	var strHash = new String()
	for(var i = 0 ; i< this.filterItems.length; i++)
	{
		fItem = this.filterItems[i]
		if (fItem.fnGetRawFilterValue() != null)
		{
			if (strHash.length > 0)
			{
				strHash += "&"
			}
			
			strHash += fItem.strName 
			strHash += "="
			strHash += fItem.fnGetRawFilterValue()
		}
	}
	return encodeBase64(strHash)
}

DocumentFilter.prototype.fnGetTargetUrl = function()
{

	var strTargetUrl = new String(this.strBaseUrl)
	if (strTargetUrl.indexOf("?") >= 0)
	{
		strTargetUrl += "&strFilter=" + this.fnGetFilterHash()
	}
	else
	{
		strTargetUrl += "?strFilter=" + this.fnGetFilterHash()
	}
	return strTargetUrl
}

DocumentFilter.prototype.fnExecuteFilter = function()
{
	window.location.href=this.fnGetTargetUrl()
}


/* End Class DocumentFilter */

function fnSelectTextbox(textboxRef, strDefaultValue)
{
	if (textboxRef.value == strDefaultValue)
	{
	
			textboxRef.value = ""
			//set cursor in first place
			if (textboxRef.createTextRange) 
			{
				var r = textboxRef.createTextRange();
				r.moveStart('character', textboxRef.value.length);
				r.collapse();
				r.select();
			}

	}
}

function fnDeSelectTextbox(textboxRef, strDefaultValue)
{
	if (textboxRef.value == "")
	{
			textboxRef.value = strDefaultValue
	}
}

function fnShowCalendar(evt, refButton, strTextboxRef,offsetX, offsetY)
{
	
	document.getElementById("spnCalendar").setAttribute("strTextboxRef", strTextboxRef)
	
	var textboxRef = document.getElementById(document.getElementById("spnCalendar").getAttribute("strTextboxRef"))
	var strValue = textboxRef.value
	var curDate = null
	if (isDate(strValue, strDateFormat))
		curDate = new Date(getDateFromFormat(strValue, strDateFormat))
								
	document.getElementById("spnCalendar").setAttribute("dtSelectedDate", curDate)
	if (curDate == null)
		curDate = new Date()
	
	fnBuildDateSelector(curDate.getMonth()+1, curDate.getFullYear())
	
	document.getElementById("spnCalendar").style.display="block"
	
	
	
	var posx
	var posy
	if (evt.pageX || evt.pageY)
	{
		posx = evt.pageX;
		posy = evt.pageY;
	}
	else if (evt.clientX || evt.clientY)
	{
		posx = evt.clientX + document.documentElement.scrollLeft;
		posy = evt.clientY + document.documentElement.scrollTop;
	}
	posx -= document.getElementById("spnCalendar").offsetWidth
	posx += 10
	posy -= 10
	if (!offsetX)
		offsetX = 0
	if (!offsetY)
		offsetY = 0
	document.getElementById("spnCalendar").style.left=(posx + offsetX)+ 'px'
	document.getElementById("spnCalendar").style.top=(posy + offsetY)+ 'px'
}
	
function fnBuildDateSelector(intMonth, intYear)
{
	var refControl = document.getElementById("spnCalendar")
	var curDate = new Date()
	
	var strHtml = ""
	
	var selectedDate = new Date(Date.parse(document.getElementById("spnCalendar").getAttribute("dtSelectedDate")))
	curDate.setDate(1)
	
	intMonth--
	if (intMonth<0)
	{
		intMonth = 11
	}
	var intNextMonth =  intMonth+1
	if(intNextMonth == 12)
	{
		
		intNextMonth = 0
	}
	curDate.setMonth(intMonth)
	curDate.setYear(intYear)
	
	
	while (curDate.getDay() != 1)
	{
		curDate = SubtractDay(curDate)
	}
	
	strHtml = "<table style=\"width:160px\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">"
	strHtml += "<tr  height=\"20\">"
	strHtml += "<td style=\"padding-left:10px;\">"
	var intPrevYear = intYear
	var intPrevMonth = intMonth
		
	if (intPrevMonth == 0)
	{
		intPrevMonth = 12
		intPrevYear--
	}
	strHtml += " <a href=\"#\" onclick=\"javascript:fnBuildDateSelector(" + (intPrevMonth) + ", " + intPrevYear + ");return false;\">&lt;&lt;</a>"
	strHtml += "</td>"
	strHtml += "<td align=\"center\">"
	strHtml += calMonthNames[intMonth] + " " + intYear
	strHtml += "</td>"
	strHtml += "<td align=\"right\" style=\"padding-right:10px;\">"
	var intNextYear = intYear
	if (intNextMonth == 0)
		intNextYear++
	
	strHtml += " <a href=\"#\" onclick=\"javascript:fnBuildDateSelector(" + (intNextMonth+1) + ", " + intNextYear + ");return false;\">&gt;&gt;</a>"
	strHtml += "</td>"
	strHtml += "</tr>"
	strHtml += "</table>"
	
	
	strHtml += "<table style=\"width:160px\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">"
	strHtml += "<tr  height=\"20\">"
	strHtml += " <th align=\"center\" valign=\"middle\" width=\"15\" >&nbsp;</th>";
	for(var i=0; i<calDayNames.length; i++)
	{
	
		strHtml += " <th align=\"center\" valign=\"middle\">" + calDayNames[i].substring(0,1) + "</th>"
	}
	strHtml += "</tr>"
	
	
	while (curDate.getMonth() != intNextMonth)
	{		
		strHtml += "<tr height=\"20\">"
		strHtml += " <th align=\"center\" valign=\"middle\" class=\"bold_Calender\">" + getWeekNr(curDate) + "</th>"
		for (i=0; i<7; i++)
		{
			
			
			var strDate = curDate.getDate()
			var strClickEvent = "fnSelectCalendarDate(" + strDate + "," + (curDate.getMonth()+1) + "," + (curDate.getFullYear()) + ")"
			if (selectedDate)
			{
				if (selectedDate.getFullYear() == curDate.getFullYear())
				{
					if (selectedDate.getMonth() == curDate.getMonth())
					{
						if (selectedDate.getDate() == curDate.getDate())
						{
						strDate = "<strong>" + curDate.getDate() + "</strong>"  
						}
					
					}
				}
			}
			
			//if (curDate.getMonth() == intMonth)
			
			strHtml += "<td align=\"center\" valign=\"middle\" style=\"cursor:hand;cursor:pointer;\" onclick=\"" + strClickEvent + "\">"
			strHtml += strDate
			strHtml += "</td>"			
			curDate = AddDay(curDate)
		}
		strHtml += "</tr>"
	}
	strHtml += "</table>"
	
	/*
	refHeader = document.getElementById("evt_calendar_header")
	refHeader.innerHTML = monthNames[intMonth] + " " + intYear
	refHeader.setAttribute("intMonth", intMonth+1)
	refHeader.setAttribute("intYear", intYear)
		*/
	refControl.innerHTML = strHtml
}

				
function fnSelectCalendarDate(intDate, intMonth, intYear)
{
	var strTextboxref = document.getElementById("spnCalendar").getAttribute("strTextboxRef")
	var selectedDate = new Date(0)
	
	selectedDate.setFullYear(intYear, intMonth-1, intDate)
	
	document.getElementById(strTextboxref).value = formatDate(selectedDate, strDateFormat)
	
	
	document.getElementById("spnCalendar").style.display = "none"
}

var calLayerTimer
function fnStartCalHideDelay()
{
	calLayerTimer = setTimeout("fnCalHide()", 500)
}

function fnCancelCalHideDelay()
{
	clearTimeout(calLayerTimer)
}

function fnCalHide()
{
	document.getElementById('spnCalendar').style.display = 'none'
}