var datePickerDivID = "datepicker";
var iFrameDivID = "datepickeriframe";
var dayArrayShort = new Array('Po', 'Ut', 'Sr', 'Ce', 'Pe', 'Su', 'Ne');
var dayArrayMed = new Array('Pon', 'Uto', 'Sri', 'Cet', 'Pet', 'Sub', 'Ned');
var dayArrayLong = new Array('Ponedeljak', 'Utorak', 'Srijeda', 'Cetvrtak', 'Petak', 'Subota', 'Nedelja');
var monthArrayShort = new Array('Jan', 'Feb', 'Mar', 'Apr', 'Maj', 'Jun', 'Jul', 'Avg', 'Sep', 'Okt', 'Nov', 'Dec');
var monthArrayMed = new Array('Jan', 'Feb', 'Mar', 'Apr', 'Maj', 'Jun', 'Jul', 'Avg', 'Sept', 'Okt', 'Nov', 'Dec');
var monthArrayLong = new Array('Januar', 'Februar', 'Mart', 'April', 'Maj', 'Jun', 'Jul', 'Avgust', 'Septembar', 'Oktobar', 'Novembar', 'Decembar');
var defaultDateSeparator = "-";
var defaultDateFormat = "ymd";
var dateSeparator = defaultDateSeparator;
var dateFormat = defaultDateFormat;
function displayDatePicker(dateFieldName, displayBelowThisObject, dtFormat, dtSep)
{
	var targetDateField = document.getElementsByName (dateFieldName).item(0);
	
	if (!displayBelowThisObject)
		displayBelowThisObject = targetDateField;
	
	if (dtSep)
		dateSeparator = dtSep;
	else
		dateSeparator = defaultDateSeparator;
	
	if (dtFormat)
		dateFormat = dtFormat;
	else
		dateFormat = defaultDateFormat;
	
	var x = displayBelowThisObject.offsetLeft;
	var y = displayBelowThisObject.offsetTop + displayBelowThisObject.offsetHeight;
	var parent = displayBelowThisObject;
	
	while (parent.offsetParent)
	{
		parent = parent.offsetParent;
		x += parent.offsetLeft;
		y += parent.offsetTop;
	}

	drawDatePicker(targetDateField, x, y);
}

function drawDatePicker(targetDateField, x, y)
{
	var dt = getFieldDate(targetDateField.value);
	if (!document.getElementById(datePickerDivID))
	{
		var newNode = document.createElement("div");
		newNode.setAttribute("id", datePickerDivID);
		newNode.setAttribute("class", "dpDiv");
		newNode.setAttribute("style", "visibility: hidden;");
		document.body.appendChild(newNode);
	}
	var pickerDiv = document.getElementById(datePickerDivID);
	pickerDiv.style.position = "absolute";
	pickerDiv.style.left = x + "px";
	pickerDiv.style.top = y + "px";
	pickerDiv.style.visibility = (pickerDiv.style.visibility == "visible" ? "hidden" : "visible");
	pickerDiv.style.display = (pickerDiv.style.display == "block" ? "none" : "block");
	pickerDiv.style.zIndex = 10000;
	refreshDatePicker(targetDateField.name, dt.getFullYear(), dt.getMonth(), dt.getDate());
}

function refreshDatePicker(dateFieldName, year, month, day)
{
	var thisDay = new Date();
	if ((month >= 0) && (year > 0))
	{
		thisDay = new Date(year, month, 1);
	}
	else
	{
		day = thisDay.getDate();
		thisDay.setDate(1);
	}

	var crlf = "\r\n";
	var TABLE = "<table cols=7 class='dpTable'>" + crlf;
	var xTABLE = "</table>" + crlf;
	var TR = "<tr class='dpTR'>";
	var TR_title = "<tr class='dpTitleTR'>";
	var TR_days = "<tr class='dpDayTR'>";
	var TR_todaybutton = "<tr class='dpTodayButtonTR'>";
	var xTR = "</tr>" + crlf;
	var TD = "<td class='dpTD' onMouseOut='this.className=\"dpTD\";' onMouseOver=' this.className=\"dpTDHover\";' ";
	var TD_title = "<td colspan=5 class='dpTitleTD'>";
	var TD_buttons = "<td class='dpButtonTD'>";
	var TD_todaybutton = "<td colspan=7 class='dpTodayButtonTD'>";
	var TD_days = "<td class='dpDayTD'>";
	var TD_selected = "<td class='dpDayHighlightTD' onMouseOut='this.className=\"dpDayHighlightTD\";' onMouseOver='this.className=\"dpTDHover\";' ";
	var xTD = "</td>" + crlf;
	var DIV_title = "<div class='dpTitleText'>";
	var DIV_selected = "<div class='dpDayHighlight'>";
	var xDIV = "</div>";
	var html = TABLE;
	var today = new Date();
	var todayString = "Danas je " + dayArrayMed[today.getDay()] + ", " + monthArrayMed[ today.getMonth()] + " " + today.getDate();
	html += TR_todaybutton + TD_todaybutton;
	html += "<button style=\"float: left;\" class='dpTodayButton' onClick='updateDateField(\"" + dateFieldName + "\", \"" + getDateString(new Date()) + "\");'>Danas</button> ";
	html += "<button style=\"float: right;\" class='dpTodayButton' onClick='updateDateField(\"" + dateFieldName + "\");'>X</button>";
	html += xTD + xTR;
	html += TR_title;
	html += TD_buttons + getButtonCode(dateFieldName, thisDay, -1, "&lt;") + xTD;
	html += TD_title + DIV_title + monthArrayLong[ thisDay.getMonth()] + " " + thisDay.getFullYear() + xDIV + xTD;
	html += TD_buttons + getButtonCode(dateFieldName, thisDay, 1, "&gt;") + xTD;
	html += xTR;
	html += TR_days;
	
	for(i = 0; i < dayArrayShort.length; i++)
		html += TD_days + dayArrayShort[i] + xTD; html += xTR;
	
	html += TR;
		
	if (thisDay.getDay() == 0)
	{
		for (i = 0; i < 6; i++)
			html += TD + "&nbsp;" + xTD;
	}
	else
	{
		for (i = 0; i < thisDay.getDay() - 1; i++)
			html += TD + "&nbsp;" + xTD;
	}
	
	do
	{
		dayNum = thisDay.getDate();
		TD_onclick = " onclick=\"updateDateField('" + dateFieldName + "', '" + getDateString(thisDay) + "');\">";
		
		if (dayNum == day)
			html += TD_selected + TD_onclick + DIV_selected + dayNum + xDIV + xTD;
		else
			html += TD + TD_onclick + dayNum + xTD;
		
		if (thisDay.getDay() == 0)
		{
			html += xTR + TR;
		}
		
		thisDay.setDate(thisDay.getDate() + 1);
	}
	while (thisDay.getDate() > 1)

	if (thisDay.getDay() > 0)
	{
		for (i = 6; i > thisDay.getDay(); i--)
			html += TD + "&nbsp;" + xTD;
	}
	
	html += xTR;
	html += xTABLE;
	document.getElementById(datePickerDivID).innerHTML = html;
	adjustiFrame();
}

function getButtonCode(dateFieldName, dateVal, adjust, label)
{
	var newMonth = (dateVal.getMonth () + adjust) % 12;
	var newYear = dateVal.getFullYear() + parseInt((dateVal.getMonth() + adjust) / 12);
	
	if (newMonth < 0)
	{
		newMonth += 12;
		newYear += -1;
	}
	
	return "<button class='dpButton' onClick='refreshDatePicker(\"" + dateFieldName + "\", " + newYear + ", " + newMonth + ");'>" + label + "</button>";
}

function getDateString(dateVal)
{
	var dayString = "00" + dateVal.getDate();
	var monthString = "00" + (dateVal.getMonth()+1);
	dayString = dayString.substring(dayString.length - 2);
	monthString = monthString.substring(monthString.length - 2);
	switch (dateFormat) { case "dmy" :
return dayString + dateSeparator + monthString + dateSeparator + dateVal.getFullYear(); case "ymd" :
return dateVal.getFullYear() + dateSeparator + monthString + dateSeparator + dayString; case "mdy" :
default :
return monthString + dateSeparator + dayString + dateSeparator + dateVal.getFullYear();}
}
function getFieldDate(dateString)
{ var dateVal; var dArray; var d, m, y; try { dArray = splitDateString(dateString); if (dArray) { switch (dateFormat) { case "dmy" :
d = parseInt(dArray[0], 10); m = parseInt(dArray[1], 10) - 1; y = parseInt(dArray[2], 10); break; case "ymd" :
d = parseInt(dArray[2], 10); m = parseInt(dArray[1], 10) - 1; y = parseInt(dArray[0], 10); break; case "mdy" :
default :
d = parseInt(dArray[1], 10); m = parseInt(dArray[0], 10) - 1; y = parseInt(dArray[2], 10); break;}
dateVal = new Date(y, m, d);} else if (dateString) { dateVal = new Date(dateString);} else { dateVal = new Date();}
} catch(e) { dateVal = new Date();}
return dateVal;}
function splitDateString(dateString)
{ var dArray; if (dateString.indexOf("/") >= 0)
dArray = dateString.split("/"); else if (dateString.indexOf(".") >= 0)
dArray = dateString.split("."); else if (dateString.indexOf("-") >= 0)
dArray = dateString.split("-"); else if (dateString.indexOf("\\") >= 0)
dArray = dateString.split("\\"); else
dArray = false; return dArray;}
function updateDateField(dateFieldName, dateString)
{ var targetDateField = document.getElementsByName (dateFieldName).item(0); if (dateString)
targetDateField.value = dateString; var pickerDiv = document.getElementById(datePickerDivID); pickerDiv.style.visibility = "hidden"; pickerDiv.style.display = "none"; adjustiFrame(); targetDateField.focus(); if ((dateString) && (typeof(datePickerClosed) == "function"))
datePickerClosed(targetDateField);}
function adjustiFrame(pickerDiv, iFrameDiv)
{ var is_opera = (navigator.userAgent.toLowerCase().indexOf("opera") != -1); if (is_opera)
return; try { if (!document.getElementById(iFrameDivID)) { var newNode = document.createElement("iFrame"); newNode.setAttribute("id", iFrameDivID); newNode.setAttribute("src", "javascript:false;"); newNode.setAttribute("scrolling", "no"); newNode.setAttribute ("frameborder", "0"); document.body.appendChild(newNode);}
if (!pickerDiv)
pickerDiv = document.getElementById(datePickerDivID); if (!iFrameDiv)
iFrameDiv = document.getElementById(iFrameDivID); try { iFrameDiv.style.position = "absolute"; iFrameDiv.style.width = pickerDiv.offsetWidth + "px"; iFrameDiv.style.height = pickerDiv.offsetHeight + "px" ; iFrameDiv.style.top = pickerDiv.style.top; iFrameDiv.style.left = pickerDiv.style.left; iFrameDiv.style.zIndex = pickerDiv.style.zIndex - 1; iFrameDiv.style.visibility = pickerDiv.style.visibility ; iFrameDiv.style.display = pickerDiv.style.display;} catch(e) { }
} catch (ee) { }
}