TodaysDate = new Date();

currentYear=TodaysDate.getFullYear();

var date_OK;

function _isInteger(val) 
{
	var digits="1234567890";
	for (var i=0; i < val.length; i++) {
		if (digits.indexOf(val.charAt(i))==-1) { return false; }
		}
	return true;
}

function _getInt(str,i,minlength,maxlength) 
{
	for (var x=maxlength; x>=minlength; x--) {
		var token=str.substring(i,i+x);
		if (token.length < minlength) { return null; }
		if (_isInteger(token)) { return token; }
		}
	return null;
}

function getDateFromFormat(val,format) 
{
	val=val+"";
	format=format+"";
	var i_val=0;
	var i_format=0;
	var c="";
	var token="";
	var token2="";
	var x,y;
	var now=new Date();
	var year=now.getYear();
	var month=now.getMonth()+1;
	var date=1;
	var hh=now.getHours();
	var mm=now.getMinutes();
	var ss=now.getSeconds();
	var ampm="";
	
	while (i_format < format.length) {
		// Get next token from format string
		c=format.charAt(i_format);
		token="";
		while ((format.charAt(i_format)==c) && (i_format < format.length)) {
			token += format.charAt(i_format++);
			}
		// Extract contents of value based on format token
		if (token=="yyyy" || token=="yy" || token=="y") {
			if (token=="yyyy") { x=4;y=4; }
			if (token=="yy")   { x=2;y=2; }
			if (token=="y")    { x=2;y=4; }
			year=_getInt(val,i_val,x,y);
			if (year==null) { return 0; }
			i_val += year.length;
			if (year.length==2) {
				if (year > 70) { year=1900+(year-0); }
				else { year=2000+(year-0); }
				}
			}
		else if (token=="MMM"||token=="NNN"){
			month=0;
			for (var i=0; i<MONTH_NAMES.length; i++) {
				var month_name=MONTH_NAMES[i];
				if (val.substring(i_val,i_val+month_name.length).toLowerCase()==month_name.toLowerCase()) {
					if (token=="MMM"||(token=="NNN"&&i>11)) {
						month=i+1;
						if (month>12) { month -= 12; }
						i_val += month_name.length;
						break;
						}
					}
				}
			if ((month < 1)||(month>12)){return 0;}
			}
		else if (token=="EE"||token=="E"){
			for (var i=0; i<DAY_NAMES.length; i++) {
				var day_name=DAY_NAMES[i];
				if (val.substring(i_val,i_val+day_name.length).toLowerCase()==day_name.toLowerCase()) {
					i_val += day_name.length;
					break;
					}
				}
			}
		else if (token=="MM"||token=="M") {
			month=_getInt(val,i_val,token.length,2);
			if(month==null||(month<1)||(month>12)){return 0;}
			i_val+=month.length;}
		else if (token=="dd"||token=="d") {
			date=_getInt(val,i_val,token.length,2);
			if(date==null||(date<1)||(date>31)){return 0;}
			i_val+=date.length;}
		else if (token=="hh"||token=="h") {
			hh=_getInt(val,i_val,token.length,2);
			if(hh==null||(hh<1)||(hh>12)){return 0;}
			i_val+=hh.length;}
		else if (token=="HH"||token=="H") {
			hh=_getInt(val,i_val,token.length,2);
			if(hh==null||(hh<0)||(hh>23)){return 0;}
			i_val+=hh.length;}
		else if (token=="KK"||token=="K") {
			hh=_getInt(val,i_val,token.length,2);
			if(hh==null||(hh<0)||(hh>11)){return 0;}
			i_val+=hh.length;}
		else if (token=="kk"||token=="k") {
			hh=_getInt(val,i_val,token.length,2);
			if(hh==null||(hh<1)||(hh>24)){return 0;}
			i_val+=hh.length;hh--;}
		else if (token=="mm"||token=="m") {
			mm=_getInt(val,i_val,token.length,2);
			if(mm==null||(mm<0)||(mm>59)){return 0;}
			i_val+=mm.length;}
		else if (token=="ss"||token=="s") {
			ss=_getInt(val,i_val,token.length,2);
			if(ss==null||(ss<0)||(ss>59)){return 0;}
			i_val+=ss.length;}
		else if (token=="a") {
			if (val.substring(i_val,i_val+2).toLowerCase()=="am") {ampm="AM";}
			else if (val.substring(i_val,i_val+2).toLowerCase()=="pm") {ampm="PM";}
			else {return 0;}
			i_val+=2;}
		else {
			if (val.substring(i_val,i_val+token.length)!=token) {return 0;}
			else {i_val+=token.length;}
			}
		}
	// If there are any trailing characters left in the value, it doesn't match
	if (i_val != val.length) { return 0; }
	// Is date valid for month?
	if (month==2) {
		// Check for leap year
		if ( ( (year%4==0)&&(year%100 != 0) ) || (year%400==0) ) { // leap year
			if (date > 29){ return 0; }
			}
		else { if (date > 28) { return 0; } }
		}
	if ((month==4)||(month==6)||(month==9)||(month==11)) {
		if (date > 30) { return 0; }
		}
	// Correct hours value
	if (hh<12 && ampm=="PM") { hh=hh-0+12; }
	else if (hh>11 && ampm=="AM") { hh-=12; }
	var newdate=new Date(year,month-1,date,hh,mm,ss);
	return newdate.getTime();
}

function pd(m1, d1, y1) 
{
	if(m1==-1 && d1==-1 && y1==-1)
	{
		var f	= document.forms['calendar'];
		if(f.date1.value!='' && f.date2.value!='')
		{
			doLoad(f, f.date1.value, f.date2.value);
		}
		return;
	}
  date_OK = false;
  var days;
	if(m1<10) m1="0"+m1;
	if(d1<10) d1="0"+d1;
  with(document.forms.calendar) 
	{
		if(date1.value == '' && date2.value == '') 
		{
			if(europeanDate)
			{
				date1.value	= d1+"/"+m1+"/"+y1;
			}
			else
			{
				date1.value	= m1+"/"+d1+"/"+y1;
			}
		}
		else if(date1.value != '' && date2.value =='') 
		{
			if(europeanDate)
			{
				date2.value	= d1+"/"+m1+"/"+y1;
			}
			else
			{
				date2.value	= m1+"/"+d1+"/"+y1;
			}

			date_OK = true;

			var dateFormat	= "M/d/y";
			if(europeanDate)
			{
				dateFormat		= "d/M/y";
			}
			var _date1	= getDateFromFormat(date1.value, dateFormat);
			var _date2	= getDateFromFormat(date2.value, dateFormat);
			days=(_date2-_date1)/86400000;
			if(days>=0)
			{
				days--;
			}
			doLoad(document.getElementById('calendar'),date1.value, date2.value);
		}	
		else if (date1.value != '' && date2.value != '') 
		{
			if(europeanDate)
			{
				date1.value	= d1+"/"+m1+"/"+y1;
			}
			else
			{
				date1.value	= m1+"/"+d1+"/"+y1;
			}

			date2.value = '';
	  }

	  if (days<0 && date_OK )
		{
			date_OK = false;
			alert(" Your Start date is greater than your end date, Please choose again");
			date1.value = '';
			date2.value = '';
	  }
	}
}

function sp(str,color) 
{
  //document.forms.calendar.temp_price.value=str;
  if (str=='n/a') color='#999999';
  //document.forms.calendar.temp_price.style.color=color;
}

function CompareDates(date1,date2) {
	var t1 = new Date(date1);
	var t2 = new Date(date2);
	var dt1 = new Date();
	var dt2 = new Date();
	var diff = new Date();
	dt1.setTime(t1.getTime());
	dt2.setTime(t2.getTime());
	diff.setTime((dt2.getTime() - dt1.getTime()) );
	timediff = diff.getTime();
	days = timediff / (1000 * 60 * 60 * 24 );

	return days<1;

}

function ValidateForm(form) 
{
  if (CompareDates(form.date1.value,form.date2.value)) 
	{
    alert(" Your Start date is greater than your end date, Please choose again");
    return false;
  }
  flag=false
  for(i=1;i<=4;i++) 
	{
    if (form.price.options[i].checked) { flag=true; break;}
  }
  return flag;
}


function np(date) 
{
  alert('The date '+date+' has no price set. \\nPlease contact owner by the inquire for more information or choose again');
}

function na(date) 
{
  alert('The date '+date+' is not available, please choose again')
}