// Copyright © 2001 by Apple Computer, Inc., All Rights Reserved.
//
// You may incorporate this Apple sample code into your own code
// without restriction. This Apple sample code has been provided "AS IS"
// and the responsibility for its operation is yours. You may redistribute
// this code, but you are not permitted to redistribute it as
// "Apple sample code" after having made changes.

// email

function checkEmail (strng,el) {
var error="";
if (strng == "") {
   error = "חובה לרשום כתובת דואר אלקטרוני.\n";
   document.getElementById(el).style.backgroundColor="#FF9900";
 //  alert(el);
}

    var emailFilter=/^.+@.+\..{2,3}$/;
    if (!(emailFilter.test(strng))) { 
       error = "חובה לרשום כתובת דואר אלקטרוני חוקית.\n";
	   document.getElementById(el).style.backgroundColor="#FF9900";
   
    }
    else {
//test email for illegal characters
       var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/
         if (strng.match(illegalChars)) {
          error = "כתובת הדואר האלקטרוני אינה חוקית";
		  document.getElementById(el).style.backgroundColor="#FF9900";
   
       }
    }
return error;    
}


// phone number - strip out delimiters and check for 10 digits

function checkPhone (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter a phone number.\n";
}

var stripped = strng.replace(/[\(\)\.\-\ ]/g, ''); //strip out acceptable non-numeric characters
    if (isNaN(parseInt(stripped))) {
       error = "The phone number contains illegal characters.";
  
    }
    if (!(stripped.length == 10)) {
	error = "The phone number is the wrong length. Make sure you included an area code.\n";
    } 
return error;
}


// password - between 6-8 chars, uppercase, lowercase, and numeral

function checkPassword (strng,el,strng2,el2) {
var error = "";
if (strng == "") {
   error = "חובה לרשום סיסמה.\n";
   document.getElementById(el).style.backgroundColor="#FF9900";
   
}

    var illegalChars = /[\W_]/; // allow only letters and numbers
    
    if ((strng.length < 6) || (strng.length > 8)) {
       error = "אורך הסיסמה חייב להיות בין 6 ל-8 תווים.\n";
	   document.getElementById(el).style.backgroundColor="#FF9900";
   
    }
    else if (illegalChars.test(strng)) {
      error = "הסיסמה מכילה תווים לא חוקיים.\n";
	  document.getElementById(el).style.backgroundColor="#FF9900";
   
    } 
	else if (strng!=strng2)
	{
		error = "הסיסמאות אינן זהות.\n";
		document.getElementById(el).style.backgroundColor="#FF9900";
		document.getElementById(el2).style.backgroundColor="#FF9900";
   
	}
  //  else if (!((strng.search(/(a-z)+/)) && (strng.search(/(A-Z)+/)) && (strng.search(/(0-9)+/)))) {
    //   error = "The password must contain at least one uppercase letter, one lowercase letter, and one numeral.\n";
  //  }  

return error;    
}    


// If the element's string matches the regular expression it is numbers and letters
function isAlphanumeric(elem, helperMsg){
	var alphaExp = /^[0-9a-zA-Z]+$/;
	if(elem.value.match(alphaExp)){
		return true;
	}else{
		alert(helperMsg);
		elem.focus();
		return false;
	}
}

// username - 2-10 chars, uc, lc, and underscore only.

function checkUsername (strng,el) {
var error = "";
if (strng == "") {
   error = "חובה לרשום שם משתמש. \n";
document.getElementById(el).style.backgroundColor="#FF9900";
   
}
    var illegalChars = /^[0-9a-zA-Z]+$/; //    /\W/; // allow letters, numbers, and underscores
    if ((strng.length < 2) || (strng.length > 10)) {
       error = "שם המשתמש חייב להיות בין 2 ל-10 תווים.\n";
	   document.getElementById(el).style.backgroundColor="#FF9900";
   
    }
    else if (!illegalChars.test(strng)) {
    error = "שם המשתמש מכיל תווים לא חוקיים.\n";
	document.getElementById(el).style.backgroundColor="#FF9900";
   
    } 
return error;
}       

function checkName (strng,el) {
var error = "";
if (strng == "") {
   error = "חובה לרשום שם. \n";
document.getElementById(el).style.backgroundColor="#FF9900";
   
}
    var illegalChars = /^[a-zA-Zאבגדהוזחטיכלמנסעפצקרשתץףךןם]+[a-zA-Z -אבגדהוזחטיכלמנסעפצקרשתץףךןם]+$/; // allow letters, numbers, and underscores
   if (!illegalChars.test(strng)) {
    error = "שם פרטי/משפחה מכיל תווים לא חוקיים.\n";
	document.getElementById(el).style.backgroundColor="#FF9900";
   
    } 
return error;
}       

// non-empty textbox

function isEmpty(strng,el,elname) {
var error = "";
//strng = trim(strng);
  if (strng.length == 0) {
     error = "חובה לרשום "+elname+".\n"
	 document.getElementById(el).style.backgroundColor="#FF9900";
   
  }
return error;	  
}

// was textbox altered

function isDifferent(strng) {
var error = ""; 
  if (strng != "Can\'t touch this!") {
     error = "You altered the inviolate text area.\n";
  }
return error;
}

// exactly one radio button is chosen

function checkRadio(checkvalue) {
var error = "";
   if (!(checkvalue)) {
       error = "Please check a radio button.\n";
    }
return error;
}

// valid selector from dropdown list

function checkDropdown(choice) {
var error = "";
    if (choice == 0) {
    error = "You didn't choose an option from the drop-down list.\n";
    }    
return error;
}    


function changeColor(el)
{
	el.style.backgroundColor="#FFFFFF";
}