function recheck()
{
var name =document.getElementById('name').value
var address =document.getElementById('address').value
var email =document.getElementById('email').value	
var city =document.getElementById('city').value	
var state =document.getElementById('state').value	
var phone =document.getElementById('phone').value	
var hotel =document.getElementById('hotel').value
var room =document.getElementById('room').value	
var exroom =document.getElementById('exroom').value	
var noroom =document.getElementById('noroom').value
//var exchild =document.getElementById('exchild').value
var phone2 =document.getElementById('phone2').value	
var demo2 =document.getElementById('demo2').value	
var demo3 =document.getElementById('demo3').value
var stripped = phone.replace(/[\(\)\.\-\ ]/g,'');
var apos=email.indexOf("@");
var dotpos=email.lastIndexOf(".");
	
	
if (name.length<=0)
	{
			document.reservation.name.focus();
			alert ("Please Enter your Name");
			return false;
	} 
	else if (address.length<= 0)
	{
			document.reservation.address.focus();
			alert ("Please Enter your Address");
			return false;
	} 
	else if (apos<1||dotpos-apos<2) 
	 {            
	         document.reservation.email.focus();
       		 alert("Please enter a valid email address.");
			 return false;
    
	 }
	else if (phone.length<= 0)
	{
			document.reservation.phone.focus();
			alert ("Please Enter your phone no.");
			return false;
	} 		
	else if (isNaN(parseInt(stripped))) 
	{
        document.reservation.phone.focus();
		alert("The phone number contains illegal characters.");
        return false;
    }
	 else if (!(stripped.length == 10)) 
	{
        document.reservation.phone.focus();
		alert("The phone number is the wrong length. Make sure you included an area code.");
        return false;
    }	
	
	else if (city == 0)
	{
        document.reservation.city.focus();
		alert("Please select city");
        return false;
    }
	
	else if (state == 0)
	{
        document.reservation.state.focus();
		alert("Please select state");
        return false;
    }
	
	  else if (hotel == 0) 
	{
        document.reservation.hotel.focus();
		alert("Please select Hotel Type");
        return false;
    } 	
	else if (room == 0)
	{
        document.reservation.room.focus();
		alert("Please select room Type");
        return false;
    } 	
	else if (exroom == 0)
	{
        document.reservation.exroom.focus();
		alert("Please Enter your No of rooms");
        return false;
    } 	
		else if (noroom == 0)
	{
        document.reservation.noroom.focus();
		alert("Please enter your total no of rooms");
        return false;
    }
	
/*	
	 else if (demo2.length<= 0)
	{
        document.reservation.demo2.focus();
		alert("Please select date of arriaval");
        return false;
    } 	
	else if (demo3.length<= 0)
	{
        document.reservation.demo3.focus();
		alert("Please select depature date");
        return false;
    } 	
	
	else 
	{
	document.reservation.allok.value="allok";
	return true;
	}
	
	
	
	
	*/
	
	
var d = new Date();
var curr_date = d.getDate();
var curr_month = d.getMonth();
var curr_year = d.getFullYear()
var dtCh= "/";
var div_min=" ";
var minYear=curr_year;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isDate(dtStr){
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)    
	var pos3=dtStr.indexOf(div_min)   
	
	var pos2=dtStr.indexOf(dtCh,pos1+1)
 /* var strMonth=dtStr.substring(0,pos1)
	var strDay=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)*/
	var strDay=dtStr.substring(0,pos1)
	var strMonth=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1,pos3)
	
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		alert("The date format should be : DD/MM/YYY")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert("Please enter a valid month")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Please enter a valid day")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		return false
	}
/*	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Please enter a valid date")
		return false
	}*/
return true
}
 
 
 var dt=document.reservation.demo2
 
	if (isDate(dt.value)==false){
		dt.focus()
		return false
	}
	 var dt=document.reservation.demo3
 
	if (isDate(dt.value)==false){
		dt.focus()
		return false
	}
	
	else 
	{
	document.reservation.allok.value="allok";
	return true;
	}
	
	
	
	
	
	
}