// Declaring valid date character, minimum year and maximum year
var dtCh= "/";
var minYear=1900;
var maxYear=2100;

function getLanguage(variable) {
  var query = window.location.search.substring(1);
  var vars = query.split("&");
  for (var i=0;i<vars.length;i++) {
    var pair = vars[i].split("=");
    if (pair[0] == variable) {
      return pair[1];
    }
  }
  return null;
} 

function focusIn(obj){
	obj.value="";
}
function focusOut(obj){
	if (obj.value=="")
		obj.value=0;
}

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){
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		return false
	}
return true
}

function validateDate(dd,mm,yyyy){
	var dd1=dd.value;
	var mm1=mm.value;
	var yyyy1=yyyy.value;
	dt=mm1+"/"+dd1+"/"+yyyy1;
	if (isDate(dt)==false){
		if (getLanguage("lang")=="Romana")
		return "Data introdusa este invalida. \n"
		else
		return "Invalid date. \n"
		
	}
    return ""
 }

function validateAge(dd,mm,yyyy)
		{
			/* the minumum age you want to allow in */
			var min_age = 18;

			/* change "age_form" to whatever your form has for a name="..." */
			var year =  parseInt(yyyy.value);
			var month = parseInt(mm.value)-1;
			var day = parseInt(dd.value);

			var theirDate = new Date((year + min_age), month, day);
			var today = new Date;
			
			if ( (today.getTime() - theirDate.getTime()) < 0) {
				if (getLanguage("lang")=="Romana")
				return "Pentru a fi inregistrat ca distribuitor trebuie sa aveti varsta de 18 ani impliniti. \n";
				else
				return "You should be at least 18 to be registered as a distributor. \n";
				
			}
			else {
				return "";
			}
		}

function validateAllTextBoxes(){
	//var lang=document.getElementById('lang').value;
	//alert(lang);
var error="";	
var noValidation=new Array("NumeSponsor","CodSponsor");
var oElem = document.getElementById('register').elements;
	for(i=0;i<oElem.length;i++){
		if(oElem[i].type=='text'){
			 if ((oElem[i].id!="NumeSponsor")  && (oElem[i].id!="CodSponsor") && (oElem[i].id!="Email")&& (oElem[i].id!="Swift")&& (oElem[i].id!="IBAN")&& (oElem[i].id!="Banca")
	&& (oElem[i].id!="NumeBeneficiar")&& (oElem[i].id!="DNBeneficiar")&& (oElem[i].id!="RelatiacuB")																																						 																																			) 
			 error+=validateEmpty(oElem[i]); 
		}
	}
	if (error!=""){
		if (getLanguage("lang")=="Romana")
		return "Va rugam sa completati toate campurile obligatorii. \n";
		else 
		return "Please fill all the required fields. \n";
	}
	else 
		return error;
}

function validateFormOnSubmit(theForm) {
var reason = "";

  reason +=validateDate(theForm.dd,theForm.mm,theForm.yyyy);
  reason +=validateAge(theForm.dd,theForm.mm,theForm.yyyy);
  reason += validateEmail(theForm.Email);
 //reason += validateEmpty(theForm.from);
   
  reason += validateAllTextBoxes();   
  reason += validateAgree(theForm.Agree)
  if (reason != "") {
	 if (getLanguage("lang")=="Romana")
	 alert("Unele campuri necesita modificari:\n" + reason);
    
     else
	 alert("Some fields need corrections:\n" + reason);
    return false;
  }
  return true;
}

function validateEmpty(fld) {
	
    var error = "";
 	//alert(fld);
    if (fld.value.length == 0) {
        fld.style.background = 'Yellow'; 
		if (getLanguage("lang")=="Romana")
		error = "Va rugam sa completati toate campurile obligatorii.\n"
        else 
		error = "Please fill all the required fields.\n"
    } else {
        fld.style.background = 'White';
    }
    return error;  
}


function validateAgree(fld) {
    var error = "";
 	//alert(fld);
    if (fld.checked == false) {
        fld.style.background = 'Yellow'; 
		if (getLanguage("lang")=="Romana")
		error = "Va rugam sa bifati casuta de aprobare a termenilor si conditiilor.\n"
		else
		error = "Please check the agreement combobox.\n"
		
    } else {
        fld.style.background = 'White';
    }
    return error;  
}

function trim(s)
{
  return s.replace(/^\s+|\s+$/, '');
}

function validateEmail(fld) {
    var error="";
    var tfld = trim(fld.value);                        // value of field with whitespace trimmed off
    var emailFilter = /^[^@]+@[^@.]+\.[^@]*\w\w$/ ;
    var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/ ;
   
    if (fld.value == "") {
        fld.style.background = 'Yellow';
		if (getLanguage("lang")=="Romana")
     	error = "Nu ati introdus o adresa de e-mail valida.\n";
		else
        error = "You didn't enter an email address.\n";
    } else if (!emailFilter.test(tfld)) {              //test email for illegal characters
        fld.style.background = 'Yellow';
		if (getLanguage("lang")=="Romana")
		error = "Va rugam sa introduceti o adresa de e-mail valida.\n";
        else
		error = "Please enter a valid email address.\n";
		
    } else if (fld.value.match(illegalChars)) {
        fld.style.background = 'Yellow';
		if (getLanguage("lang")=="Romana")
		error = "Adresa de e-mail contine caractere nepermise.\n";
		else
        error = "The email address contains illegal characters.\n";
    } else {
        fld.style.background = 'White';
    }
    return error;
}