// Global variables.
domain		= '';
path		= '/';
secure		= 0;

// Function to save the Username and Password fields to cookies


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

  sessvars.un=theForm.username.value;
  sessvars.pw=theForm.password.value;

  // alert("Starting")

  // Save the cookie value for the Username and password
  

  //  var blnOK	
  // blnOK = save_field(theForm.username);
  // blnOK = save_field(theForm.password);


  // WriteIDCookie;
  // document.cookie = 'chrUserName=' + theForm.username.value;
  // alert("Cookie 1 written")

  // createCookie('chrPassword',theForm.password.value,1);
  // alert("Cookie 2 written")



  if(document.cookie.length > 0){

    // alert("Cookies have been set");

    }

  else{

    // alert("No cookies have been set");

  }

  // Now let's get them back again

  // alert("Getting cookies back")

  // var strUserName
  // var strPassword  

  // var strUserName = retrieve_field(theForm.username);
  // alert("Cookie 1 retrieved")


  // var strPassword = retrieve_field(theForm.password);
  // alert("Cookie 2 retrieved")

  // alert("Cookie 1 - UserName: " + strUserName);
  // alert("Cookie 2 - Password: " + strPassword);


  var strUserName = readCookie('chrUserName')
	if (strUserName) {
	// alert("Cookie 1 - UserName: " +strUserName)
  }

  var strPassword = readCookie('chrPassword')
	if (strPassword) {
	// alert("Cookie 1 - Password: " +strPassword)
  }


  // alert("Now the rest")

  reason += validateUsername(theForm.username);
  // reason += validateCharacters(theForm.username);
  reason += validatePassword(theForm.password);
      
  if (reason != "") {
    alert("Some fields need correction:\n" + reason);
    return false;
  }
 
  // alert("All fields are filled correctly");
  return true;
}

function onEnter( evt, frm ) {
	var keyCode = null;

	if( evt.which ) {
		keyCode = evt.which;
	} else if( evt.keyCode ) {
		keyCode = evt.keyCode;
	}
	if( 13 == keyCode ) {
		frm.submit.click();
		return false;
	}
	return true;
}

function writeIDCookie() {
  document.cookie = 'testvalue1=Yes; expires=Fri, 13 Jul 2006 05:28:21 UTC; path=/';
  // alert("You have created a new entry");
  }


function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}


function validateEmpty(fld) {
    var error = "";
 
    if (fld.value.length == 0) {
        fld.style.background = 'Yellow'; 
        error = "The required field has not been filled in.\n"
    } else {
        fld.style.background = 'White';
    }
    return error;  
}
function validateUsername(fld) {
    var error = "";
    var illegalChars = /\W/; // allow letters, numbers, and underscores
 
    if (fld.value == "") {
        fld.style.background = 'Yellow'; 
        error = "You didn't enter a username.\n";
    } else if ((fld.value.length < 5) || (fld.value.length > 15)) {
        fld.style.background = 'Yellow'; 
        error = "The username is the wrong length.\n";
    } else {
        fld.style.background = 'White';
    }
    return error;
}


function validateCharacters(fld) {
	// allow ONLY alphanumeric keys, no symbols or punctuation
	// this can be altered for any "checkOK" string you desire
	var error = "";
	var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789.";
	var checkStr = fld.value;
	var allValid = true;
	for (i = 0;  i < checkStr.length;  i++)
	{
	ch = checkStr.charAt(i);
	for (j = 0;  j < checkOK.length;  j++)
	if (ch == checkOK.charAt(j))
	break;
	if (j == checkOK.length)
	{
	allValid = false;
	break;
	}
	}
	if (!allValid)
	{
	fld.style.background = 'Yellow'; 
	error = "The username contains illegal characters.\n";
	return error;
	}
}


function validatePassword(fld) {
    var error = "";
    var illegalChars = /[\W_]/; // allow only letters and numbers 
 
    if (fld.value == "") {
        fld.style.background = 'Yellow';
        error = "You didn't enter a password.\n";
    } else if ((fld.value.length < 4) || (fld.value.length > 19)) {
        error = "The password is the wrong length. \n";
        fld.style.background = 'Yellow';
    } else if (illegalChars.test(fld.value)) {
        error = "The password contains illegal characters.\n";
        fld.style.background = 'Yellow';
    } else if (!((fld.value.search(/(a-z)+/)) && (fld.value.search(/(0-9)+/)))) {
        error = "The password must contain at least one numeral.\n";
        fld.style.background = 'Yellow';
    } 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';
        error = "You didn't enter an email address.\n";
    } else if (!emailFilter.test(tfld)) {              //test email for illegal characters
        fld.style.background = 'Yellow';
        error = "Please enter a valid email address.\n";
    } else if (fld.value.match(illegalChars)) {
        fld.style.background = 'Yellow';
        error = "The email address contains illegal characters.\n";
    } else {
        fld.style.background = 'White';
    }
    return error;
}
function validatePhone(fld) {
    var error = "";
    var stripped = fld.value.replace(/[\(\)\.\-\ ]/g, '');    
 
   if (fld.value == "") {
        error = "You didn't enter a phone number.\n";
        fld.style.background = 'Yellow';
    } else if (isNaN(parseInt(stripped))) {
        error = "The phone number contains illegal characters.\n";
        fld.style.background = 'Yellow';
    } else if (!(stripped.length == 10)) {
        error = "The phone number is the wrong length. Make sure you included an area code.\n";
        fld.style.background = 'Yellow';
    }
    return error;
}


// Function to retrieve a field.
function retrieve_field(obj) {
	var cookie = '', real_value = '';
	cookie = document.cookie;
	var objType = new String(obj.type);
	if (obj.name)
		var objName = new String(obj.name);
	else
		var objName = new String(obj[0].name);
	var offset_start = cookie.indexOf(objName + '=[');
	if (offset_start == -1) return 1;
	var offset_start_length = objName.length + 2;
	offset_start = offset_start + offset_start_length;
	var offset_end = cookie.indexOf(']', offset_start);
	real_value = cookie.substring(offset_start, offset_end);
	switch(objType.toLowerCase()) {
		case "checkbox" :
			if (real_value == '1') obj.checked = 1
			else obj.checked = 0
			break;
		case "undefined" :
			obj[real_value].checked = 1;
			break;
		case "select-one" :
			obj.selectedIndex = real_value;
			break;
		case "select-multiple" :
			for (var i = 0; i < obj.options.length; i++) {
				if ((real_value.indexOf('+' + i)) > -1)
					obj.options[i].selected = 1;
				else
					obj.options[i].selected = 0;
			}
			break;
		default :
			obj.value = real_value;
			break;
	}
	return 1;
}


// End JavaScript -->