function chkForm(c){
	var tel = document.getElementById('tel');
	var email = document.getElementById('email');
	var name = document.getElementById('name');
	var day = document.getElementById('dayin');
	var month = document.getElementById('monthin');
	var year = document.getElementById('yearin');
	var myDate=new Date();
	myDate.setFullYear(parseInt(year.value),parseInt(month.value)-1,parseInt(day.value));
	var today = new Date();
	if(!email.value && !tel.value){
		alert('Please ,insert Email or Telephone number.');
		email.focus
		return false;	
	}
	/*if(!checkRoom(c)){
		return false;	
	}*/
	if(!name.value){
		alert('Please ,insert Name.');
		name.focus
		return false;	
	}
	if(today > myDate){
		alert('Incorrect Date,Please check again.');
		return false;	
	}
	
	return true;

}

function checkRoom(c){
	try{
		if(document.all){
			if(document.all["typeR[]"].value == ""){
				alert('Please ,Choose type of Room.');
				return false;
			} 
			if (!document.all["typeB[]"].value == ""){
				alert('Please ,Choose type of Bed.');
				return false;
			}
			return true;
		}
	}catch(e){
		alert(e.description);
	}
}

function showDate(){
	
	var myDate = new Date();
	var thisday = myDate.format('d');
	var thismonth = myDate.format('m');
	var thisyear = myDate.format('yyyy');
	var dayin;
	var monthin;
	var yearin;
	var monthAll = new Array('', 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec');
	
	// day
	dayin = "<select name=\"dayin\" size=\"1\" id=\"dayin\" onChange=\"showChkoutDate(form.night.value)\">";
	for (i=1;i<=31;i++){
	dayin += "<option value=" + i;
		if(i==thisday){
			dayin += " selected=\"selected\"";	
		}
	dayin += ">" + i + "</option>";
	}
	dayin += "</select>";
	
	//month
	monthin = "<select name=\"monthin\" size=\"1\" id=\"monthin\" onChange=\"showChkoutDate(form.night.value)\">";
	for (i=1;i<=12;i++){
	monthin += "<option value=" + i;
		if(i==thismonth){
			monthin += " selected=\"selected\"";	
		}
	monthin += ">" + monthAll[i] + "</option>";
	}
	monthin += "</select>";
	
	//year
	yearin = "<select name=\"yearin\" size=\"1\" id=\"yearin\" onChange=\"showChkoutDate(form.night.value)\">";
	for (i=0;i<=2;i++){
		yearin += "<option value=" + thisyear;
		yearin += ">" + thisyear + "</option>";
		thisyear++;
	}
	yearin += "</select>";
	
	document.getElementById('day').innerHTML = dayin;
	document.getElementById('month').innerHTML = monthin;
	document.getElementById('year').innerHTML = yearin;
}

function showChkoutDate(num){
  	var myDate = new Date();
	var day = document.getElementById('dayin');
	var month = document.getElementById('monthin');
	var year = document.getElementById('yearin');
	myDate.setYear(parseInt(year.value));
	myDate.setMonth(parseInt(month.value-1));
	myDate.setDate(parseInt(day.value)+parseInt(num));
	var chkout = myDate.format('d mmmm yyyy');
	document.getElementById('chkout').innerHTML = chkout;
}

// date format

// Simulates PHP's date function
var dateFormat = function () {
	var	token = /d{1,4}|m{1,4}|yy(?:yy)?|([HhMsTt])\1?|[LloSZ]|"[^"]*"|'[^']*'/g,
		timezone = /\b(?:[PMCEA][SDP]T|(?:Pacific|Mountain|Central|Eastern|Atlantic) (?:Standard|Daylight|Prevailing) Time|(?:GMT|UTC)(?:[-+]\d{4})?)\b/g,
		timezoneClip = /[^-+\dA-Z]/g,
		pad = function (val, len) {
			val = String(val);
			len = len || 2;
			while (val.length < len) val = "0" + val;
			return val;
		};

	// Regexes and supporting functions are cached through closure
	return function (date, mask, utc) {
		var dF = dateFormat;

		// You can't provide utc if you skip other args (use the "UTC:" mask prefix)
		if (arguments.length == 1 && (typeof date == "string" || date instanceof String) && !/\d/.test(date)) {
			mask = date;
			date = undefined;
		}

		// Passing date through Date applies Date.parse, if necessary
		date = date ? new Date(date) : new Date();
		if (isNaN(date)) throw new SyntaxError("invalid date");

		mask = String(dF.masks[mask] || mask || dF.masks["default"]);

		// Allow setting the utc argument via the mask
		if (mask.slice(0, 4) == "UTC:") {
			mask = mask.slice(4);
			utc = true;
		}

		var	_ = utc ? "getUTC" : "get",
			d = date[_ + "Date"](),
			D = date[_ + "Day"](),
			m = date[_ + "Month"](),
			y = date[_ + "FullYear"](),
			H = date[_ + "Hours"](),
			M = date[_ + "Minutes"](),
			s = date[_ + "Seconds"](),
			L = date[_ + "Milliseconds"](),
			o = utc ? 0 : date.getTimezoneOffset(),
			flags = {
				d:    d,
				dd:   pad(d),
				ddd:  dF.i18n.dayNames[D],
				dddd: dF.i18n.dayNames[D + 7],
				m:    m + 1,
				mm:   pad(m + 1),
				mmm:  dF.i18n.monthNames[m],
				mmmm: dF.i18n.monthNames[m + 12],
				yy:   String(y).slice(2),
				yyyy: y,
				h:    H % 12 || 12,
				hh:   pad(H % 12 || 12),
				H:    H,
				HH:   pad(H),
				M:    M,
				MM:   pad(M),
				s:    s,
				ss:   pad(s),
				l:    pad(L, 3),
				L:    pad(L > 99 ? Math.round(L / 10) : L),
				t:    H < 12 ? "a"  : "p",
				tt:   H < 12 ? "am" : "pm",
				T:    H < 12 ? "A"  : "P",
				TT:   H < 12 ? "AM" : "PM",
				Z:    utc ? "UTC" : (String(date).match(timezone) || [""]).pop().replace(timezoneClip, ""),
				o:    (o > 0 ? "-" : "+") + pad(Math.floor(Math.abs(o) / 60) * 100 + Math.abs(o) % 60, 4),
				S:    ["th", "st", "nd", "rd"][d % 10 > 3 ? 0 : (d % 100 - d % 10 != 10) * d % 10]
			};

		return mask.replace(token, function ($0) {
			return $0 in flags ? flags[$0] : $0.slice(1, $0.length - 1);
		});
	};
}();

// Some common format strings
dateFormat.masks = {
	"default":      "ddd mmm dd yyyy HH:MM:ss",
	shortDate:      "m/d/yy",
	mediumDate:     "mmm d, yyyy",
	longDate:       "mmmm d, yyyy",
	fullDate:       "dddd, mmmm d, yyyy",
	shortTime:      "h:MM TT",
	mediumTime:     "h:MM:ss TT",
	longTime:       "h:MM:ss TT Z",
	isoDate:        "yyyy-mm-dd",
	isoTime:        "HH:MM:ss",
	isoDateTime:    "yyyy-mm-dd'T'HH:MM:ss",
	isoUtcDateTime: "UTC:yyyy-mm-dd'T'HH:MM:ss'Z'"
};

// Internationalization strings
dateFormat.i18n = {
	dayNames: [
		"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat",
		"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"
	],
	monthNames: [
		"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec",
		"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"
	]
};

// For convenience...
Date.prototype.format = function (mask, utc) {
	return dateFormat(this, mask, utc);
};