function checkEmail (strng) {
var error="";
if (strng == "") {
   return "";
}

    var emailFilter=/^.+@.+\..{2,3}$/;
    if (!(emailFilter.test(strng))) { 
       error = "Please enter a valid email address.\n";
    }
    else {
//test email for illegal characters
       var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/
         if (strng.match(illegalChars)) {
          error = "The email address contains illegal characters.\n";
       }
    }
return error;    
}


// phone number - strip out delimiters and check for 10 digits

function checkPhone (strng) {
var error = "";
if (strng == "") {
	return "";
}

var stripped = strng.replace(/[\(\)\.\-\ ]/g, ''); //strip out acceptable non-numeric characters
    if (isNaN(parseInt(stripped))) {
       error = "The phone number contains illegal characters.";
  
    }
    if (stripped.length < 8) {
	error = "The phone number is the wrong length. Make sure you included an area code.\n";
    } 
return error;
}

function checkDates(start, end) {
	var syear = start.substr(0,4);
	var smon = start.substr(5,2) - 1;
	var sday = start.substr(start.length-2,2);
	var eyear = end.substr(0,4);
	var emon = end.substr(5,2) - 1;
	var eday = end.substr(end.length-2,2);
	var error = "";
	
	sdate = new Date(syear,smon,sday);
	edate = new Date(eyear,emon,eday);
	//Check is dates are same;
	
	if(!(syear == sdate.getFullYear() && smon == sdate.getMonth())) {
		error = "Please enter a valid Start Date";
	}
	if(!(eyear == edate.getFullYear() && emon == edate.getMonth())) {
		error = "Please enter a valid Departure Date";
	}
	if(edate <= sdate) {
		error = "Please enter a Departure date later than the Start date";
	} 
	
	return error;
}

function checkTitle(strng) {
var error = "";
  if (strng.length == 0) {
     error = "Please enter a Title.\n"
  }
return error;	  
}

function checkWholeForm(theForm) {
	
    var why = "";
    why += checkEmail(document.getElementById('renteremail').value);
    why += checkPhone(document.getElementById('rentertel').value);
    why += checkTitle(document.getElementById('bookingtitle').value);
    var start = document.getElementById('startmonth').value + '-' + document.getElementById('startday').value;
    var end = document.getElementById('endmonth').value + '-' + document.getElementById('endday').value;
    why += checkDates(start,end);
    if (why != "") {
       alert(why);
       return false;
    }
	return true;
}
var TCP = new TColorPicker();

function TCPopup(field, palette) {
	this.field = field;
	this.initPalette = !palette || palette > 3 ? 0 : palette;
	var w = 194, h = 240,
	move = screen ? 
		',left=' + ((screen.width - w) >> 1) + ',top=' + ((screen.height - h) >> 1) : '', 
	o_colWindow = window.open('../wp-content/plugins/agrobooking/includes/js/tigra/picker.html', null, "help=no,status=no,scrollbars=no,resizable=no" + move + ",width=" + w + ",height=" + h + ",dependent=yes", true);
	o_colWindow.opener = window;
	o_colWindow.focus();
}

function TCBuildCell (R, G, B, w, h) {
	return '<td bgcolor="#' + this.dec2hex((R << 16) + (G << 8) + B) + '"><a href="javascript:P.S(\'' + this.dec2hex((R << 16) + (G << 8) + B) + '\')" onmouseover="P.P(\'' + this.dec2hex((R << 16) + (G << 8) + B) + '\')"><img src="pixel.gif" width="' + w + '" height="' + h + '" border="0"></a></td>';
}

function TCSelect(c) {
	this.field.value = '#' + c.toUpperCase();
	this.win.close();
}

function TCPaint(c, b_noPref) {
	c = (b_noPref ? '' : '#') + c.toUpperCase();
	if (this.o_samp) 
		this.o_samp.innerHTML = '<font face=Tahoma size=2>' + c +' <font color=white>' + c + '</font></font>'
	if(this.doc.layers)
		this.sample.bgColor = c;
	else { 
		if (this.sample.backgroundColor != null) this.sample.backgroundColor = c;
		else if (this.sample.background != null) this.sample.background = c;
	}
}

function TCGenerateSafe() {
	var s = '';
	for (j = 0; j < 12; j ++) {
		s += "<tr>";
		for (k = 0; k < 3; k ++)
			for (i = 0; i <= 5; i ++)
				s += this.bldCell(k * 51 + (j % 2) * 51 * 3, Math.floor(j / 2) * 51, i * 51, 8, 10);
		s += "</tr>";
	}
	return s;
}

function TCGenerateWind() {
	var s = '';
	for (j = 0; j < 12; j ++) {
		s += "<tr>";
		for (k = 0; k < 3; k ++)
			for (i = 0; i <= 5; i++)
				s += this.bldCell(i * 51, k * 51 + (j % 2) * 51 * 3, Math.floor(j / 2) * 51, 8, 10);
		s += "</tr>";
	}
	return s	
}
function TCGenerateMac() {
	var s = '';
	var c = 0,n = 1;
	var r,g,b;
	for (j = 0; j < 15; j ++) {
		s += "<tr>";
		for (k = 0; k < 3; k ++)
			for (i = 0; i <= 5; i++){
				if(j<12){
				s += this.bldCell( 255-(Math.floor(j / 2) * 51), 255-(k * 51 + (j % 2) * 51 * 3),255-(i * 51), 8, 10);
				}else{
					if(n<=14){
						r = 255-(n * 17);
						g=b=0;
					}else if(n>14 && n<=28){
						g = 255-((n-14) * 17);
						r=b=0;
					}else if(n>28 && n<=42){
						b = 255-((n-28) * 17);
						r=g=0;
					}else{
						r=g=b=255-((n-42) * 17);
					}
					s += this.bldCell( r, g,b, 8, 10);
					n++;
				}
			}
		s += "</tr>";
	}
	return s;
}

function TCGenerateGray() {
	var s = '';
	for (j = 0; j <= 15; j ++) {
		s += "<tr>";
		for (k = 0; k <= 15; k ++) {
			g = Math.floor((k + j * 16) % 256);
			s += this.bldCell(g, g, g, 9, 7);
		}
		s += '</tr>';
	}
	return s
}

function TCDec2Hex(v) {
	v = v.toString(16);
	for(; v.length < 6; v = '0' + v);
	return v;
}

function TCChgMode(v) {
	for (var k in this.divs) this.hide(k);
	this.show(v);
}

function TColorPicker(field) {
	this.build0 = TCGenerateSafe;
	this.build1 = TCGenerateWind;
	this.build2 = TCGenerateGray;
	this.build3 = TCGenerateMac;
	this.show = document.layers ? 
		function (div) { this.divs[div].visibility = 'show' } :
		function (div) { this.divs[div].visibility = 'visible' };
	this.hide = document.layers ? 
		function (div) { this.divs[div].visibility = 'hide' } :
		function (div) { this.divs[div].visibility = 'hidden' };
	// event handlers
	this.C       = TCChgMode;
	this.S       = TCSelect;
	this.P       = TCPaint;
	this.popup   = TCPopup;
	this.draw    = TCDraw;
	this.dec2hex = TCDec2Hex;
	this.bldCell = TCBuildCell;
	this.divs = [];
}

function TCDraw(o_win, o_doc) {
	this.win = o_win;
	this.doc = o_doc;
	var 
	s_tag_openT  = o_doc.layers ? 
		'layer visibility=hidden top=54 left=5 width=182' : 
		'div style=visibility:hidden;position:absolute;left:6px;top:54px;width:182px;height:0',
	s_tag_openS  = o_doc.layers ? 'layer top=32 left=6' : 'div',
	s_tag_close  = o_doc.layers ? 'layer' : 'div'
		
	this.doc.write('<' + s_tag_openS + ' id=sam name=sam><table cellpadding=0 cellspacing=0 border=1 width=181 align=center class=bd><tr><td align=center height=18><div id="samp"><font face=Tahoma size=2>sample <font color=white>sample</font></font></div></td></tr></table></' + s_tag_close + '>');
	this.sample = o_doc.layers ? o_doc.layers['sam'] : 
		o_doc.getElementById ? o_doc.getElementById('sam').style : o_doc.all['sam'].style

	for (var k = 0; k < 4; k ++) {
		this.doc.write('<' + s_tag_openT + ' id="p' + k + '" name="p' + k + '"><table cellpadding=0 cellspacing=0 border=1 align=center>' + this['build' + k]() + '</table></' + s_tag_close + '>');
		this.divs[k] = o_doc.layers 
			? o_doc.layers['p' + k] : o_doc.all 
				? o_doc.all['p' + k].style : o_doc.getElementById('p' + k).style
	}
	if (!o_doc.layers && o_doc.body.innerHTML) 
		this.o_samp = o_doc.all 
			? o_doc.all.samp : o_doc.getElementById('samp');
	this.C(this.initPalette);
	if (this.field.value) this.P(this.field.value, true)
}

//CALENDARIS
var NUM_CENTYEAR = 30;
// is time input control required by default
var BUL_TIMECOMPONENT = false;
// are year scrolling buttons required by default
var BUL_YEARSCROLL = true;

var calendars = [];
var RE_NUM = /^\-?\d+$/;

function calendar1(obj_target) {

	// assigning methods
	this.gen_date = cal_gen_date1;
	this.gen_time = cal_gen_time1;
	this.gen_tsmp = cal_gen_tsmp1;
	this.prs_date = cal_prs_date1;
	this.prs_time = cal_prs_time1;
	this.prs_tsmp = cal_prs_tsmp1;
	this.popup    = cal_popup1;

	// validate input parameters
	if (!obj_target)
		return cal_error("Error calling the calendar: no target control specified");
	if (obj_target.value == null)
		return cal_error("Error calling the calendar: parameter specified is not valid target control");
	this.target = obj_target;
	this.time_comp = BUL_TIMECOMPONENT;
	this.year_scroll = BUL_YEARSCROLL;
	
	// register in global collections
	this.id = calendars.length;
	calendars[this.id] = this;
}

function cal_popup1 (str_datetime) {
	if (str_datetime)
		this.dt_current = this.prs_tsmp(str_datetime);
	else 
		this.dt_selected = this.dt_current = this.prs_tsmp(this.target.value);

	if (!this.dt_current) return;

	var obj_calwindow = window.open(
		document.location.pathname + 'wp-content/plugins/agrobooking/includes/js/tigra/calendar.html?id=' + this.id + '&s=' + this.dt_selected.valueOf() + '&c=' + this.dt_current.valueOf(),'Calendar', 'width=200,height=' + (this.time_comp ? 215 : 190) +
		',toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=no,top=200,left=200,dependent=yes,alwaysRaised=yes'
	);
	
	obj_calwindow.opener = window;
	obj_calwindow.focus();
}

// timestamp generating function
function cal_gen_tsmp1 (dt_datetime) {
	return(this.gen_date(dt_datetime) + ' ' + this.gen_time(dt_datetime));
}

// date generating function
function cal_gen_date1 (dt_datetime) {
	return (
		(dt_datetime.getDate() < 10 ? '0' : '') + dt_datetime.getDate() + "-"
		+ (dt_datetime.getMonth() < 9 ? '0' : '') + (dt_datetime.getMonth() + 1) + "-"
		+ dt_datetime.getFullYear()
	);
}
// time generating function
function cal_gen_time1 (dt_datetime) {
	return (
		(dt_datetime.getHours() < 10 ? '0' : '') + dt_datetime.getHours() + ":"
		+ (dt_datetime.getMinutes() < 10 ? '0' : '') + (dt_datetime.getMinutes()) + ":"
		+ (dt_datetime.getSeconds() < 10 ? '0' : '') + (dt_datetime.getSeconds())
	);
}

// timestamp parsing function
function cal_prs_tsmp1 (str_datetime) {
	// if no parameter specified return current timestamp
	if (!str_datetime)
		return (new Date());

	// if positive integer treat as milliseconds from epoch
	if (RE_NUM.exec(str_datetime))
		return new Date(str_datetime);
		
	// else treat as date in string format
	var arr_datetime = str_datetime.split(' ');
	return this.prs_time(arr_datetime[1], this.prs_date(arr_datetime[0]));
}

// date parsing function
function cal_prs_date1 (str_date) {

	var arr_date = str_date.split('-');

	if (arr_date.length != 3) return cal_error ("Invalid date format: '" + str_date + "'.\nFormat accepted is dd-mm-yyyy.");
	if (!arr_date[0]) return cal_error ("Invalid date format: '" + str_date + "'.\nNo day of month value can be found.");
	if (!RE_NUM.exec(arr_date[0])) return cal_error ("Invalid day of month value: '" + arr_date[0] + "'.\nAllowed values are unsigned integers.");
	if (!arr_date[1]) return cal_error ("Invalid date format: '" + str_date + "'.\nNo month value can be found.");
	if (!RE_NUM.exec(arr_date[1])) return cal_error ("Invalid month value: '" + arr_date[1] + "'.\nAllowed values are unsigned integers.");
	if (!arr_date[2]) return cal_error ("Invalid date format: '" + str_date + "'.\nNo year value can be found.");
	if (!RE_NUM.exec(arr_date[2])) return cal_error ("Invalid year value: '" + arr_date[2] + "'.\nAllowed values are unsigned integers.");

	var dt_date = new Date();
	dt_date.setDate(1);

	if (arr_date[1] < 1 || arr_date[1] > 12) return cal_error ("Invalid month value: '" + arr_date[1] + "'.\nAllowed range is 01-12.");
	dt_date.setMonth(arr_date[1]-1);
	 
	if (arr_date[2] < 100) arr_date[2] = Number(arr_date[2]) + (arr_date[2] < NUM_CENTYEAR ? 2000 : 1900);
	dt_date.setFullYear(arr_date[2]);

	var dt_numdays = new Date(arr_date[2], arr_date[1], 0);
	dt_date.setDate(arr_date[0]);
	if (dt_date.getMonth() != (arr_date[1]-1)) return cal_error ("Invalid day of month value: '" + arr_date[0] + "'.\nAllowed range is 01-"+dt_numdays.getDate()+".");

	return (dt_date)
}

// time parsing function
function cal_prs_time1 (str_time, dt_date) {

	if (!dt_date) return null;
	var arr_time = String(str_time ? str_time : '').split(':');

	if (!arr_time[0]) dt_date.setHours(0);
	else if (RE_NUM.exec(arr_time[0]))
		if (arr_time[0] < 24) dt_date.setHours(arr_time[0]);
		else return cal_error ("Invalid hours value: '" + arr_time[0] + "'.\nAllowed range is 00-23.");
	else return cal_error ("Invalid hours value: '" + arr_time[0] + "'.\nAllowed values are unsigned integers.");
	
	if (!arr_time[1]) dt_date.setMinutes(0);
	else if (RE_NUM.exec(arr_time[1]))
		if (arr_time[1] < 60) dt_date.setMinutes(arr_time[1]);
		else return cal_error ("Invalid minutes value: '" + arr_time[1] + "'.\nAllowed range is 00-59.");
	else return cal_error ("Invalid minutes value: '" + arr_time[1] + "'.\nAllowed values are unsigned integers.");

	if (!arr_time[2]) dt_date.setSeconds(0);
	else if (RE_NUM.exec(arr_time[2]))
		if (arr_time[2] < 60) dt_date.setSeconds(arr_time[2]);
		else return cal_error ("Invalid seconds value: '" + arr_time[2] + "'.\nAllowed range is 00-59.");
	else return cal_error ("Invalid seconds value: '" + arr_time[2] + "'.\nAllowed values are unsigned integers.");

	dt_date.setMilliseconds(0);
	return dt_date;
}

function cal_error (str_message) {
	alert (str_message);
	return null;
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}