//Function to create Ajax Object-----------------------------------------------------------------------------------
function createajax()
{
   var objectname = false;	
	try { /*Internet Explorer Browsers*/ objectname = new ActiveXObject('Msxml2.XMLHTTP'); } 
	catch (e)
	{
		try { objectname = new ActiveXObject('Microsoft.XMLHTTP'); } 
		catch (e)  
		{
			try { /*// Opera 8.0+, Firefox, Safari*/ objectname = new XMLHttpRequest();	} 
			catch (e) { /*Something went wrong*/ alert('Your browser is not responding for Javascripts.'); return false; }
		}
	}
	return objectname;
}

function submitreference()
{
	document.getElementById('sucessmessage').innerHTML = '';
	var form = document.referenceform;
	var error = document.getElementById('form-error');
	var field = form.membershipnumber;
	if(!field.value) { error.innerHTML = errormessage("Enter your membership number."); field.focus(); return false; }
	var field = form.dob;
	if(!field.value || field.value == 'dd-mm-yyyy') { error.innerHTML = errormessage("Enter your Date of Birth."); field.focus(); return false; }
	if(!isDate(field.value)) { field.focus(); return false; }
	var field = form.name;
	if(!field.value) { error.innerHTML = errormessage("Enter your Name."); field.focus(); return false; }
	if(!isAlpha(field.value)) { error.innerHTML = errormessage("Name should contain only alpahbets."); field.focus(); return false; }
	var field = form.phone;
	if(!field.value) { error.innerHTML = errormessage("Enter your Phone Number."); field.focus(); return false; }
	if(field.value) { if(!validatecontactnumber(field.value)) { error.innerHTML = errormessage('Enter a valid Phone Number.'); field.focus(); return false; } }
	var field = form.mobile;
	if(!field.value) { error.innerHTML = errormessage("Enter your Mobile Number."); field.focus(); return false; }
	if(field.value) { if(!validatecell(field.value)) { error.innerHTML = errormessage('Enter the valid Cell Number.'); field.focus(); return false; } }
	var field = form.place;
	if(!field.value) { error.innerHTML = errormessage("Enter the Place."); field.focus(); return false; }
	if(!isAlpha(field.value)) { error.innerHTML = errormessage("Name should contain only alpahbets."); field.focus(); return false; }
	var field = form.emailid;
	if(!field.value) { error.innerHTML = errormessage("Enter your Email ID."); field.focus(); return false; }
	if(field.value) { if(!checkemail(field.value)) { error.innerHTML = errormessage('Enter the valid Email ID.'); field.focus(); return false; } }
	var field = form.rname1;
	if(!field.value) { error.innerHTML = errormessage("Enter the Reference Name."); field.focus(); return false; }
	var field = form.rcontactperson1;
	if(!field.value) { error.innerHTML = errormessage("Enter the Contact Person Name."); field.focus(); return false; }
	if(!isAlpha(field.value)) { error.innerHTML = errormessage("Name should contain only alpahbets."); field.focus(); return false; }
	var field = form.remailid1;
	if(!field.value) { error.innerHTML = errormessage("Enter the Reference Email ID."); field.focus(); return false; }
	if(field.value) { if(!checkemail(field.value)) { error.innerHTML = errormessage('Enter the valid Reference Email ID.'); field.focus(); return false; } }
	var field = form.rmobile1;
	if(!field.value) { error.innerHTML = errormessage("Enter the Reference Mobile Number."); field.focus(); return false; }
		if(field.value) { if(!validatecontactnumber(field.value)) { error.innerHTML = errormessage('Enter the valid Cell Number.'); field.focus(); return false; } }
	var field = form.rname2;
	if(!field.value) { error.innerHTML = errormessage("Enter the Reference Name."); field.focus(); return false; }
	if(!isAlpha(field.value)) { error.innerHTML = errormessage("Name should contain only alpahbets."); field.focus(); return false; }
	var field = form.rcontactperson2;
	if(!field.value) { error.innerHTML = errormessage("Enter the Contact Person Name."); field.focus(); return false; }
	if(!isAlpha(field.value)) { error.innerHTML = errormessage("Name should contain only alpahbets."); field.focus(); return false; }
	var field = form.remailid2;
	if(!field.value) { error.innerHTML = errormessage("Enter the Reference Email ID."); field.focus(); return false; }
	if(field.value) { if(!checkemail(field.value)) { error.innerHTML = errormessage('Enter the valid Reference Email ID.'); field.focus(); return false; } }
	var field = form.rmobile2;
	if(!field.value) { error.innerHTML = errormessage("Enter the Reference Mobile Number."); field.focus(); return false; }
	if(field.value) { if(!validatecontactnumber(field.value)) { error.innerHTML = errormessage('Enter the valid Cell Number.'); field.focus(); return false; } }
	var field = form.rname3;
	if(!field.value) { error.innerHTML = errormessage("Enter the Reference Name."); field.focus(); return false; }
	if(!isAlpha(field.value)) { error.innerHTML = errormessage("Name should contain only alpahbets."); field.focus(); return false; }
	var field = form.rcontactperson3;
	if(!field.value) { error.innerHTML = errormessage("Enter the Contact Person Name."); field.focus(); return false; }
	if(!isAlpha(field.value)) { error.innerHTML = errormessage("Name should contain only alpahbets."); field.focus(); return false; }
	var field = form.remailid3;
	if(!field.value) { error.innerHTML = errormessage("Enter the Reference Email ID."); field.focus(); return false; }
	if(field.value) { if(!checkemail(field.value)) { error.innerHTML = errormessage('Enter the valid Reference Email ID.'); field.focus(); return false; } }
	var field = form.rmobile3;
	if(!field.value) { error.innerHTML = errormessage("Enter the Reference Mobile Number."); field.focus(); return false; }
	if(field.value) { if(!validatecontactnumber(field.value)) { error.innerHTML = errormessage('Enter the valid Cell Number.'); field.focus(); return false; } }
	var field = form.rname4;
	if(!isAlpha(field.value)) { error.innerHTML = errormessage("Name should contain only alpahbets."); field.focus(); return false; }
	if(!field.value) { error.innerHTML = errormessage("Enter the Reference Name."); field.focus(); return false; }
	var field = form.rcontactperson4;
	if(!field.value) { error.innerHTML = errormessage("Enter the Contact Person Name."); field.focus(); return false; }
	if(!isAlpha(field.value)) { error.innerHTML = errormessage("Name should contain only alpahbets."); field.focus(); return false; }
	var field = form.remailid4;
	if(!field.value) { error.innerHTML = errormessage("Enter the Reference Email ID."); field.focus(); return false; }
	if(field.value) { if(!checkemail(field.value)) { error.innerHTML = errormessage('Enter the valid Reference Email ID.'); field.focus(); return false; } }
	var field = form.rmobile4;
	if(!field.value) { error.innerHTML = errormessage("Enter the Reference Mobile Number."); field.focus(); return false; }
	if(field.value) { if(!validatecontactnumber(field.value)) { error.innerHTML = errormessage('Enter the valid Cell Number.'); field.focus(); return false; } }
	var field = form.rname5;
	if(!field.value) { error.innerHTML = errormessage("Enter the Reference Name."); field.focus(); return false; }
	if(!isAlpha(field.value)) { error.innerHTML = errormessage("Name should contain only alpahbets."); field.focus(); return false; }
	var field = form.rcontactperson5;
	if(!field.value) { error.innerHTML = errormessage("Enter the Contact Person Name."); field.focus(); return false; }
	if(!isAlpha(field.value)) { error.innerHTML = errormessage("Name should contain only alpahbets."); field.focus(); return false; }
	var field = form.remailid5;
	if(!field.value) { error.innerHTML = errormessage("Enter the Reference Email ID."); field.focus(); return false; }
	if(field.value) { if(!checkemail(field.value)) { error.innerHTML = errormessage('Enter the valid Reference Email ID.'); field.focus(); return false; } }
	var field = form.rmobile5;
	if(field.value) { if(!validatecontactnumber(field.value)) { error.innerHTML = errormessage('Enter the valid Cell Number.'); field.focus(); return false; } }
	if(!compareemailidvalue(form.emailid.value,form.remailid1.value,form.remailid2.value,form.remailid3.value,form.remailid4.value,form.remailid5.value)) {  error.innerHTML = errormessage('Email ID repeated more than once. It should be unique.'); form.remailid1.focus(); return false; }
	if(!comparecontactvalue(form.mobile.value,form.rmobile1.value,form.rmobile2.value,form.rmobile3.value,form.rmobile4.value,form.rmobile5.value,form.phone.value)) {  error.innerHTML = errormessage('Contact Number repeated more than once. It should be unique.'); form.rmobile1.focus(); return false; }
	if(!field.value) { error.innerHTML = errormessage("Enter the Reference Mobile Number."); field.focus(); return false; }	
	else
	{	
		var passData = 'membershipnumber=' + form.membershipnumber.value + '&dob=' + form.dob.value + '&name=' + form.name.value + '&phone=' + form.phone.value + '&mobile=' + form.mobile.value+ '&emailid=' + form.emailid.value+ '&place=' + form.place.value+ '&rname1=' + form.rname1.value+ '&rcontactperson1=' + form.rcontactperson1.value+ '&remailid1=' + form.remailid1.value+ '&rmobile1=' + form.rmobile1.value+ '&rname2=' + form.rname2.value+ '&rcontactperson2=' + form.rcontactperson2.value+ '&remailid2=' + form.remailid2.value+ '&rmobile2=' + form.rmobile2.value+ '&rname3=' + form.rname3.value+ '&rcontactperson3=' + form.rcontactperson3.value+ '&remailid3=' + form.remailid3.value+ '&rmobile3=' + form.rmobile3.value+ '&rname4=' + form.rname4.value+ '&rcontactperson4=' + form.rcontactperson4.value+ '&remailid4=' + form.remailid4.value+ '&rmobile4=' + form.rmobile4.value+ '&rname5=' + form.rname5.value+ '&rcontactperson5=' + form.rcontactperson5.value+ '&remailid5=' + form.remailid5.value+ '&rmobile5=' + form.rmobile5.value+ '&dummy=' + Math.floor(Math.random()*10019200000);
		queryString = '../ajax/tdsref.php';
		var ajaxcall = createajax();
		ajaxcall.open('POST', queryString, true);
		ajaxcall.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
		ajaxcall.onreadystatechange = function()
		{
			if(ajaxcall.readyState == 4)
			{
				var ajaxresponse = ajaxcall.responseText;
				error.innerHTML = '';
				document.getElementById('sucessmessage').innerHTML = successmessage(ajaxresponse);
				form.reset();
			}
		}
		ajaxcall.send(passData);
	}
}


var minYear=1900;
var maxYear=2100;
var dtCh = "-";

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 error = document.getElementById('form-error');
	var daysInMonth = DaysArray(12);
	var pos1=dtStr.indexOf(dtCh);
	var pos2=dtStr.indexOf(dtCh,pos1+1);
	var strDay=dtStr.substring(0,pos1);
	var strMonth=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)
	{
		error.innerHTML = errormessage("The date format should be : dd-mm-yyyy");
		return false;
	}
	if (strMonth.length<1 || month<1 || month>12)
	{
			error.innerHTML = errormessage("Please enter a valid month");
		return false;
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month])
	{
		error.innerHTML = errormessage("Please enter a valid day");
		return false;
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear)
	{
		error.innerHTML = errormessage("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){
		error.innerHTML = errormessage("Please enter a valid date");
		return false;
	}
return true;
}

function validatecell(cellnumber)
{
	var numericExpression = /^[9]+[0-9]{9,9}(?:(?:[,;][9]+[0-9]{9,9}))*$/i;
	if(cellnumber.match(numericExpression)) return true;
	else return false;
}

function emptytext(elememtid)
{
	if(document.getElementById(elememtid).value=='dd-mm-yyyy')
	{
		document.getElementById(elememtid).value = '';
		document.getElementById(elememtid).style.color = '#000000';
	}
}

function searchdefault(elememtid)
{
	if(document.getElementById(elememtid).value=='')
	{
		document.getElementById(elememtid).value='dd-mm-yyyy';
		document.getElementById(elememtid).style.color = '#cccccc';
	}
}


function compareemailidvalue(cvalue, cvalue1, cvalue2, cvalue3, cvalue4, cvalue5)
{
	var refvalues = new Array();
	refvalues[0] = cvalue;
	refvalues[1] = cvalue1;
	refvalues[2] = cvalue2;
	refvalues[3] = cvalue3;
	refvalues[4] = cvalue4;
	refvalues[5] = cvalue5;
	var myflag = true;
	var sorted_arr = refvalues.sort(); 
	for (var i = 0; i < refvalues.length - 1; i += 1) 
	{
		if (sorted_arr[i + 1] == sorted_arr[i]) 
			myflag = false;
		else
			myflag =  true;
	}
	return myflag;
}

function comparecontactvalue(cvalue, cvalue1, cvalue2, cvalue3, cvalue4, cvalue5, cvalue6)
{
	var refvalues = new Array();
	refvalues[0] = cvalue;
	refvalues[1] = cvalue1;
	refvalues[2] = cvalue2;
	refvalues[3] = cvalue3;
	refvalues[4] = cvalue4;
	refvalues[5] = cvalue5;
	refvalues[6] = cvalue6;
	var myflag = true;
	var sorted_arr = refvalues.sort(); 
	for (var i = 0; i < refvalues.length - 1; i += 1) 
	{
		if (sorted_arr[i + 1] == sorted_arr[i]) 
			myflag = false;
		else
			myflag =  true;
	}
	return myflag;
}