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

function validApplicationFields() {
	
	var name = document.getElementById("name").value;
	if(name == '') {
		alert("Please Enter Name!");
		document.getElementById("name").focus();
		return false;
	}
	if(ValidData("name") == false ) {
		return false;
	}
	
	var address = document.getElementById("address").value;
	if(address == '') {
		alert("Please Enter Address!");
		document.getElementById("address").focus();
		return false;
	}
	if(ValidData("address") == false ) {
		return false;
	}
	
	var State = document.getElementById("State").value;
	if(State == '') {
		alert("Please Select a State!");
		document.getElementById("State").focus();
		return false;
	}

        if (ChangeCity() == false)
        {
        return false;
        }
	
	var city = document.getElementById("city").value;
	if(city == '') {
		alert("Please Enter city!");
		document.getElementById("city").focus();
		return false;
	}
	if(ValidData("city") == false ) {
		return false;
	}
	
	var zip = document.getElementById("zip").value;
	if(zip == '') {
		alert("Please Enter Zip!");
		document.getElementById("zip").focus();
		return false;
	}
	if(ValidData("zip") == false ) {
		return false;
	}
	
	var phone = document.getElementById("phone").value;
	if(phone == '') {
		alert("Please Enter Phone!");
		document.getElementById("phone").focus();
		return false;
	}
	if(ValidData("phone") == false ) {
		return false;
	}
	
	var email = document.getElementById("email").value;
	if(notValidEmail(email)==true ) {
		alert("Please Enter a valid Email address!");
		document.getElementById("email").value = "";
		document.getElementById("email").focus();
		return false;
	}
	
	if(email=="" ) {
		alert("Please Enter Email address!");
		document.getElementById("email").focus();
		return false;
	}
	
	var phone = document.getElementById("location").value;
	if(phone == '') {
		alert("Please Enter location!");
		document.getElementById("location").focus();
		return false;
	}
	var cteacher = "";
	if(document.getElementById("certified_teacher_yes").checked )
	{
      cteacher ="Yes";		
	}
	if(document.getElementById("certified_teacher_no").checked )
	{
      cteacher ="No";		
	}

	if(cteacher  == '') {
		alert("Please indicate whether you are a Bikram Yoga Certified Teacher (Yes/No)");
		document.getElementById("certified_teacher").focus();
		return false;
	}

if (cteacher=='Yes')
{
var gdate = document.getElementById("graduation_date").value;
	if(gdate == '') {
		alert("Please enter Date of Graduation!");
		document.getElementById("graduation_date").focus();
		return false;
	}
   if(ValidData("graduation_date") == false ) {
		return false;
	}	
}
	if(ValidData("location") == false ) {
		return false;
	}
	if(ValidData("schoolName") == false ) {
		return false;
	}
	if(ValidData("schoolAddress") == false ) {
		return false;
	}
	if(ValidData("schoolCity") == false ) {
		return false;
	}
	if(ValidData("schoolZip") == false ) {
		return false;
	}
	if(ValidData("schoolPhone") == false ) {
		return false;
	}
	
	var schoolEmail = document.getElementById("schoolEmail").value;
	if(notValidEmail(schoolEmail)==true ) {
		alert("Please Enter a valid Email address!");
		document.getElementById("schoolEmail").value = "";
		document.getElementById("schoolEmail").focus();
		return false;
	}
	
	if(ValidData("optionCurrentLease") == false ) {
		return false;
	}
	
	
	
		
	return true;
	
}


function notValidEmail(email)///
{
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
	if (!filter.test(email) && email!='')
	{
		//alert("Please Enter a valid email address!")
		return true;
	}
	else
	{
		return false;
	}
		
}


/*
onblur="return ";
FUNCTION  validdateField(idval,id2,f,previd)
Parameter--
	idval --  the id of the current fnt field
	id2  --the next field id
	f --  for checking the first or last date field
			0  ---   for single date field
			1  ---  for from and to date it is for from date field
			2 --   for from and to date it is to from date field
			3 --  for valid of the date less than today (yyyy-mm-dd)
			4 --  for valid of the date greater than  today (yyyy-mm-dd)
	previd -- the previous  from date field id it is used  at to date field	
	
return true or false
*/

function validdateField2(idval,id2,f,previd){
	
	 if(f==1)
	{
		document.getElementById(id2).value='';	
	}
	
	if(document.getElementById(idval).value != "")
	{
		
			
		if(document.getElementById(idval).value.search('/')==-1){
			 var mm=document.getElementById(idval).value.substring(0,2)
			var dd=document.getElementById(idval).value.substring(2,4)
			var yyyy=document.getElementById(idval).value.substring(4,6)
			
			document.getElementById(idval).value=mm+'/'+dd+'/'+yyyy
		  }
		if(isDate3(document.getElementById(idval).value,document.getElementById(idval),f,previd) == false){
		 
		   //alert("Please enter valid  Date(dd/mm/yy)");
		    document.getElementById(idval).focus();
		   document.getElementById(idval).value='';  
		   //document.addDel.dupheader_required_date.focus();
		   return false;
		}
		else
		{
			//alert("xv");
			//alert(id2);
			document.getElementById(id2).focus();
			document.getElementById(id2).select();
			
			return false;
		}
		
		
	}
	
}





//***************mm/dd/yyyy
function isDate3(dtStr,val,f,previd){
	
	
	if(dtStr.search('/')==-1){//mm/dd/yyyy
		var mm1=dtStr.substring(0,2)
		var dd1=dtStr.substring(2,4)
		var yy1=dtStr.substring(4,6)
		
	}
	else{
		var mm1=dtStr.substring(0,2)
		var dd1=dtStr.substring(3,5)
		var yy1=dtStr.substring(6,8)
		
	}
		
	var dtStr='20'+yy1+'-'+mm1+'-'+dd1
	//alert("S");
	var yyyy='20'+yy1;
	
	var mon1=parseInt(mm1)-1;
	
	var now = new Date(yyyy,mon1,dd1,12,00,00,00);
	
	var day1=now.getDay();
	
	
		
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strYear=dtStr.substring(0,pos1)
	var strMonth=dtStr.substring(pos1+1,pos2)
	var strDay=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("Please enter a valid date(mm/dd/yy)")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		
		alert("Please enter a valid date(mm/dd/yy)")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Please enter a valid date(mm/dd/yy)")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert("Please enter a valid test date(mm/dd/yy)")
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Please enter a valid date(mm/dd/yy)")
		return false
	}
	
	
	if(f==2)////date from and date to validatiopn
	{
				
		var date1=document.getElementById(previd).value;
		
		var splitval=new Array();
		
		splitval=date1.split('/');
		 var mm11=splitval[0];
		var dd11=splitval[1];
		var yy11=splitval[2];
		
		var yyyy11=yy11;
		
		var mon11=parseFloat(mm11)-1;
		var dod11=parseFloat(dd11);
		var date2=yyyy11+'-'+mm11+'-'+dd11;
		
		var now2 = new Date(yyyy11,mon11,dod11,12,00,00,00);
		
		
		if(dtStr<date2)
		{
			alert("To date Should be greater than from date.")
			return false;
		}
		

		
	}
	else if(f==3)
	{
		var date1=document.getElementById(previd).value;
		
		if(dtStr<=date1)
		{
			alert("Input Date Should be greater than Current Date.")
			return false;
		}
	}
	else if(f==4)
	{
		var date1=document.getElementById(previd).value;
		
		if(dtStr>date1)
		{
			alert("Input Date can't be greater than Current Date.")
			return false;
		}
	}
	
	
	
	var dateval = trim(dtStr);
	
	if(dateval.length != 10){
		alert("Please enter a valid date(mm/dd/yy)")
		return false
	}
	
}


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 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 focusNext(e,idval)
{
	var key=window.event? e.keyCode : e.which;
	//alert(key);
	if(key==13)
	{ 
		document.getElementById(idval).focus();
	
		return false;
	}
	else if(key==34)// for omiting the double quote -  " 
	{
		return false;	
	}

}


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 ChangeCity() {
	
	var country = document.getElementById("country").value;
	var state = document.getElementById("State").value;
	
	if(country == "USA" && state == "not_listed") {
		alert("Please select a state form list or change country!");
		document.getElementById("State").focus();
                return false;
	}
	
	if(country == "USA" && state == "") {
		alert("Please select a state!");
		document.getElementById("State").focus();
                return false;

	}
	
	if(country == "Canada" && state == "not_listed") {
		alert("Please select a state!");
		document.getElementById("State").focus();
                return false;

	}
	
	if(country == "Canada" && state == "") {
		alert("Please select a state!");
		document.getElementById("State").focus();
                return false;

	}
	
	
}