var dtCh= "/";
var minYear=2011;
var maxYear=2012;

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 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)
	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 : mm/dd/yyyy")
		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
}



function validation(frmObj)
{
    var msg = '';
   
    if(trim(frmObj.name.value)=='')
    {
        msg += '\n Please enter name';
    }
	
	if(trim(frmObj.reqiiment.value)=='')
	{
		msg += '\n Please enter reqiiment';
	}

	if(trim(frmObj.phone.value)=='')
	{
		msg += '\n Please enter phone';
	}


	
	    var objFromDate = frmObj.chk_in.value;
	    var objToDate = frmObj.chk_out.value;
	     
		     
		    var FromDate = new Date(objFromDate);
		        var ToDate = new Date(objToDate);
		        var valCurDate = new Date();
		        valCurDate = valCurDate.getMonth()+1 + "/" + valCurDate.getDate() + "/" + valCurDate.getFullYear();
		        var CurDate = new Date(valCurDate);
				
		     
		       /*if(FromDate > ToDate)
		       {
		           alert("check in date should be less than check out date" );
		           return false; 
		       }
		       else if(FromDate > CurDate)
		       {
		           alert("check in date should be greater than current date");
		           return false; 
		       }
		      else if(ToDate < CurDate)
		       {
		           alert("check out date should be less than current date");
		           return false;
		       }*/



		var cInD = new Date(frmObj.chk_in.value);
		
		var cOutD = new Date(frmObj.chk_out.value);
	
	if(trim(frmObj.chk_in.value)=='')
	{
		msg += '\n Please enter check in date';
	}
	/*else if(isDate(frmObj.chk_in.value)==false){
		msg += '\n Please enter a valid check in date';
	}else if(cInD<CurDate)
	{
		msg += '\n check in date should be greater than current date';
	}*/

	if(trim(frmObj.chk_out.value)=='')
	{
		msg += '\n Please enter check out date';
	}/*else if(isDate(frmObj.chk_out.value)==false){
		msg += '\n Please enter a valid check out date';
	}else if(cOutD<CurDate)
	{
		msg += '\n check out date should be greater than current date';
	}else if(cOutD<=cInD)
	{
		msg += '\n check out date should be less than check in date';
	}*/
	
	
	/*if(trim(frmObj.chk_out.value)=='')
	{
		msg += '\n Please enter check out date';
	}else if(isDate(frmObj.chk_out.value)==false){
		msg += '\n Please enter a valid check out date';
	}*/

    if(trim(frmObj.email.value)=='')
    {
        msg += '\n Please enter your email';
    }else if(!checkEmail(frmObj.email.value))
    {
        msg += '\n Please enter a valid email';
    }

	if(trim(frmObj.security_code.value)=='')
    {
        msg += '\n Please enter security code';
    }

   
   
    if(msg!='')
    {
        alert(msg);
        return false;
    }else
    {
        frmObj.posted.value='1';
        return true;
    }
 
}
function trim(stringToTrim) {
    return stringToTrim.replace(/^\s+|\s+$/g,"");
}
function checkEmail(frmValue) {
if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(frmValue)){
return (true)
}
 
return (false)
}