function encryptusername(username, password)
{
    var timenow = new Date();
    var datestr;
    var keyArray, ptArray = [];
    var key, ciphertext;
    var pad = new Array("a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m");
    var y = 0;

    // Defined externally
    keySizeInBits = 256;
    blockSizeInBits = 128;

    //Pad out to 12 bytes with random characters
    while(username.length < 12){
	username += String.fromCharCode(Math.round(Math.random()*90) + 32);
    }	

    //Pad out to 12 bytes
    while(password.length < 12){
	password += pad[y++];
    }

    //32 bytes plaintext=>20 random bytes + XOR(username, password, date(YYYYMMDDWWWW))
    
     // Generate 20 random bytes
     while(ptArray.length < 20){
	ptArray[ptArray.length] = Math.round(Math.random() * 255);
     }
	
     // XOR(name, password)
     for(var x = 0; x < username.length; x++){
	ptArray[20 + x] = username.charCodeAt(x) ^ password.charCodeAt(x);
     }

     // datestr = YYYYMMDDWWWW
     datestr = String(timenow.getUTCFullYear());
     datestr += (timenow.getUTCMonth() + 1) < 10 ? "0" + String((timenow.getUTCMonth() + 1)) : String((timenow.getUTCMonth() + 1));
     datestr += timenow.getUTCDate() < 10 ? "0" + String(timenow.getUTCDate()) : String(timenow.getUTCDate());
     datestr += "0" + String(timenow.getUTCDay());
     datestr += "1" + String(timenow.getUTCDay());

     // XOR(datestr, XOR(name, password))
     for(var x = 0; x < datestr.length; x++){
 	ptArray[20 + x] ^= datestr.charCodeAt(x);
     }
	

    //32 bytes key=>password + password + date(YYYYMMDD)
    key = password + password + datestr.slice(0,8);

    keyArray = hexToByteArray(StringToHex(key));

    ciphertext = byteArrayToHex(rijndaelEncrypt(ptArray, keyArray, "ECB"));

    return ciphertext;
}


function encryptnewpassword(newpassword, password)
{
    var timenow = new Date();
    var datestr;
    var keyArray, ptArray = [];
    var key, ciphertext;
    var pad = new Array("a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m");
    var y = 0;

    // Defined externally
    keySizeInBits = 256;
    blockSizeInBits = 128;

    //Pad out to 12 bytes with white space
    while(newpassword.length < 12){
	newpassword += " ";
    }	

    //Pad out to 12 bytes
    while(password.length < 12){
	password += pad[y++];
    }

    //32 bytes plaintext=>20 random bytes + XOR(newpassword, password, date(YYYYMMDDWWWW))
    
     // Generate 20 random bytes
     while(ptArray.length < 20){
	ptArray[ptArray.length] = Math.round(Math.random() * 255);
     }
	
     // XOR(newpassword, password)
     for(var x = 0; x < newpassword.length; x++){
	ptArray[20 + x] = newpassword.charCodeAt(x) ^ password.charCodeAt(x);
     }

     // datestr = YYYYMMDDWWWW
     datestr = String(timenow.getUTCFullYear());
     datestr += (timenow.getUTCMonth() + 1) < 10 ? "0" + String((timenow.getUTCMonth() + 1)) : String((timenow.getUTCMonth() + 1));
     datestr += timenow.getUTCDate() < 10 ? "0" + String(timenow.getUTCDate()) : String(timenow.getUTCDate());
     datestr += "0" + String(timenow.getUTCDay());
     datestr += "1" + String(timenow.getUTCDay());

     // XOR(datestr, XOR(name, password))
     for(var x = 0; x < datestr.length; x++){
 	ptArray[20 + x] ^= datestr.charCodeAt(x);
     }
	

    //32 bytes key=>password + password + date(YYYYMMDD)
    key = password + password + datestr.slice(0,8);

    keyArray = hexToByteArray(StringToHex(key));

    ciphertext = byteArrayToHex(rijndaelEncrypt(ptArray, keyArray, "ECB"));

    return ciphertext;
}

function verifyPassword()
{
        
	if(this.document.changepassword.newpassword.value.length < 6){
	        alert("Password must be at least six characters long.");
		this.document.changepassword.verify.focus();
		this.document.changepassword.verify.select();
		return false;
	}

	if(this.document.changepassword.newpassword.value != this.document.changepassword.verify.value){
		alert("Passwords don't match.");
		this.document.changepassword.verify.focus();
		this.document.changepassword.verify.select();
		return false;
	}

	return true;
}


function submitChangePassword(http_target)
{
     var url;

     if(!verifyPassword()){
         return false;
     }
 
     url = http_target + "/cnw-bin/cnw.cgi?";
     url += "page=" + this.document.changepassword.page.value;
     url += "&token=" + encryptusername(this.document.changepassword.accountname.value, this.document.changepassword.password.value);
     url += "&newpassword=" + encryptnewpassword(this.document.changepassword.newpassword.value, this.document.changepassword.password.value);

     this.location.href = url;

     return false;
}



function readUnescapedCookie(cookieName)
{
   var cookieValue = document.cookie;
   var cookieRegExp = new RegExp("\\b" + cookieName + "=([^;]*)");
 
   cookieValue = cookieRegExp.exec(cookieValue);
 
   if(cookieValue != null){
       cookieValue = cookieValue[1];
   }
 
 
   return cookieValue;
}
 
function checkCookie(cookieName)
{
   var cookieValue;
 
   cookieValue = readUnescapedCookie(cookieName);
 
   if(cookieValue == null || cookieValue.length == 0){
       return false;
   }
   
   return true;
 
}
 




function openNewWindow(winName, newUrl)
{
	var   newWin;
    
    	newWin = window.open(newUrl, winName, 'toolbar=no,location=no,menubar=no,personalbar=no,resizable=yes,scrollbars=yes,width=550,height=400');
    	newWin.moveTo(0, 0);
	newWin.focus();
    
}

function openNewWindowPrint(winName, newUrl)
{
	var   newWin;
    
    	newWin = window.open(newUrl, winName, 'toolbar=no,location=no,menubar=no,personalbar=no,resizable=yes,scrollbars=yes,width=500,height=550');
    	newWin.moveTo(0, 0);
	newWin.focus();
    
}


function clearForm(thisform)
{
	var x;

	for(x = 0; x < thisform.length; x++){
	    if(thisform.elements[x].type == 'checkbox'){
		thisform.elements[x].checked = false;
            }
	    else if(thisform.elements[x].type == 'text'){
		thisform.elements[x].value = "";
            }
 	    else if(thisform.elements[x].type == 'textarea'){
		thisform.elements[x].value = "";
            }
	    else if(thisform.elements[x].type == 'password'){
		thisform.elements[x].value = "";
            }
	    else if(thisform.elements[x].type == 'radio'){
		thisform.elements[x].checked = false;
            }
	    else if(thisform.elements[x].type == 'select'){
		thisform.elements[x].selectdIndex = 0;
            }	

	}

}


function uncheckAll(checklist)
{
    var  x;

    for(x = 0; x < checklist.length; x++){
	checklist[x].checked = false;
    }
}

function checkAll(checklist)
{
    var  x;

    for(x = 0; x < checklist.length; x++){
  	checklist[x].checked = true;	   
    }
}

   

function escape_string(inStr)
{
    var x;
    var outStr = "";

    for(x = 0; x < inStr.length; x++){
       switch(inStr.charAt(x)){
       case '+':
	   outStr += "%2B";	 
	   break;
       case '>':
	   outStr += "%3E"; 
	   break;
       case '^':
	   outStr += "%5E"; 
	   break;
       case '{':
	   outStr += "%7B"; 
	   break;
       case '}':
	   outStr += "%7D"; 
	   break
       case '<':
	   outStr += "%3C"; 
	   break;
       case '\\':
	   outStr += "%5C"; 
	   break;
       case '`':
	   outStr += "%60"; 
	   break;
       case '|':
	   outStr += "%7C"; 
	   break;
       case '"':
	   outStr += "%22"; 
	   break;
       case '&':
	   outStr += "%26"; 
	   break;
       case '#':
	   outStr += "%23"; 
	   break;
       case '%':
	   outStr += "%25"; 
	   break;
       case ' ':
	   outStr += "%20";
	   break;
	case '/':
	   outStr += "%2F";
	   break;
       default:
	   outStr += inStr.charAt(x);
       	   break;
       }
    }
    
    return outStr;
}


function token_count(str, token)
{
	
    var x, count = 0;

    for(x = 0; x < str.length; x++){
	if(str.charAt(x) == token){
	    count++;
	}
    }

    return count;
}

    
function submitQuickSearch()
{
	var url = "";

	if(this.document.qsearch.query.value.length == 0){
		alert("No query specified.");
		this.document.qsearch.query.focus();
		return false;
	}
	
	url = "/cnw-bin/cnw.cgi?";
	url += "page=" + this.document.qsearch.page.value;
	url += "&query=" + escape_string(this.document.qsearch.query.value);
	
	this.location.href = url;	

	return false;
}


function submitAdvSearch()
{
	var url = "";
	var wires = "";
	var x;
	var startDate = "", endDate = "";


	url = "/cnw-bin/cnw.cgi?";
	url += "page=" + this.document.advsearch.page.value;
	url += "&query=" + escape_string(this.document.advsearch.query.value);

	// City
	if(this.document.advsearch.city.value.length){
		url += "&city=" + escape_string(this.document.advsearch.city.value);
	}

	// State
	if(this.document.advsearch.state.selectedIndex > 0){
		if(this.document.advsearch.state[this.document.advsearch.state.selectedIndex].value != "--"){
			url += "&state=" + escape_string(this.document.advsearch.state[this.document.advsearch.state.selectedIndex].value);
		}
	}


	// Country
	if(this.document.advsearch.country.selectedIndex > 0){
		url += "&country=" + escape_string(this.document.advsearch.country[this.document.advsearch.country.selectedIndex].value);
	}

	// Category
	if(this.document.advsearch.category.selectedIndex > 0){
		url += "&category=" + escape_string(this.document.advsearch.category[this.document.advsearch.category.selectedIndex].value);
	}

	// Display Format
	for(x = 0; x < this.document.advsearch.display_format.length; x++){
		if(this.document.advsearch.display_format[x].checked == true){
			url += "&display_format=" + this.document.advsearch.display_format[x].value;
		}
	}
	
	//Boolean Type
	url += "&boolean_type=" + this.document.advsearch.boolean_type[this.document.advsearch.boolean_type.selectedIndex].value
	

	// Number returned
	if(this.document.advsearch.max_perpage.selectedIndex > 0){
		url += "&max_perpage=" + this.document.advsearch.max_perpage[this.document.advsearch.max_perpage.selectedIndex].value;
	}


	url += formatDate("startdate", this.document.advsearch.StartYEAR, this.document.advsearch.StartMONTH, this.document.advsearch.StartDAY);

	url += formatDate("enddate", this.document.advsearch.EndYEAR, this.document.advsearch.EndMONTH, this.document.advsearch.EndDAY);


        // Start Date
        startDate = formatDate(this.document.advsearch.StartYEAR, this.document.advsearch.StartMONTH, this.document.advsearch.StartDAY);

	if(startDate != "" && validDate(startDate) == false){
		alert("Invalid Date");
		this.document.advsearch.StartMONTH.focus();
		return false;
	}
	else if(startDate != ""){
		url += "&startdate=" + startDate;	
	}

	 // End Date
        endDate = formatDate(this.document.advsearch.EndYEAR, this.document.advsearch.EndMONTH, this.document.advsearch.EndDAY);

	if(endDate != "" && validDate(endDate) == false){
		alert("Invalid Date");
		this.document.advsearch.EndMONTH.focus();
		return false;
	}
	else if(endDate != ""){
		url += "&enddate=" + endDate;	
	}


	if((startDate != "") && (endDate != "") && (startDate > endDate)){
		alert("From Date must be less than To Date");
		return false;
	}

	this.location.href = url;

	return false;
}

function confirmDownload(url)
{

        if(checkCookie('CNWNewswire_UserID') == false){
                alert("Images can only be accessed by accredited members of the media.  Please sign in to download or contact us.");
                return false;
        }

        self.location.href = url;
        return true;
}

function confirmDownloadFR(url)
{

        if(checkCookie('CNWNewswire_UserID') == false){
                alert("Ces images sont facilement accessibles par les membres des m" + String.fromCharCode(233) + "dias. Veuillez ouvrir une session pour les t" + String.fromCharCode(233) + "l" + String.fromCharCode(233) + "charger ou communiquer avec nous.");
                return false;
        }

        self.location.href = url;
        return true;
}

function submitPhotoReqRequest()
{
	if(this.document.photosignup.email.value.length > 0){
	    if(validate_email(this.document.photosignup.email) == false){
		if(readUnescapedCookie("CNWNewswire_Language") == 'french'){ 
		    alert("S'il vous pla"+String.fromCharCode(238)+"t entrer une adresse e-mail valide");
		}
		else{
		    alert("Please enter a valid E-mail address");
		}
		this.document.photosignup.email.select();
		this.document.photosignup.email.focus();
		return false;
	    }
	}
    
    return true;
    
}

function submitAssignmentRequest()
{

	var url = "";
	var startDate = "";

	if(this.document.assignment_req.email.value.length > 0){
	    if(validate_email(this.document.assignment_req.email) == false){
		if(readUnescapedCookie("CNWNewswire_Language") == 'french'){ 
		    alert("S'il vous pla"+String.fromCharCode(238)+"t entrer une adresse e-mail valide");
		}
		else{
		    alert("Please enter a valid E-mail address");
		}
		
		
		this.document.assignment_req.email.select();
		this.document.assignment_req.email.focus();
		return false;
	    }
	}

	url = "/cnw/register.php?";
	url += "page=" + this.document.assignment_req.page.value;

	
	url += "&firstname=" + escape_string(this.document.assignment_req.firstname.value);
	url += "&lastname=" + escape_string(this.document.assignment_req.lastname.value);
	url += "&voicenumber=" + escape_string(this.document.assignment_req.voicenumber.value);
	url += "&faxnumber=" + escape_string(this.document.assignment_req.faxnumber.value);
	url += "&email=" + escape_string(this.document.assignment_req.email.value);

	startDate = formatDate(this.document.assignment_req.StartYEAR, this.document.assignment_req.StartMONTH, this.document.assignment_req.StartDAY);

	if(startDate != "" && validDate(startDate) == false){
		alert("Invalid Date");
		this.document.advsearch.StartMONTH.focus();
		return false;
	}
	else if(startDate != ""){
		url += "&adate=" + startDate;
	}

	url += formatTime("atime", this.document.assignment_req.StartHOUR, this.document.assignment_req.StartMINUTE);
	
	url += "&asubject=" + escape_string(this.document.assignment_req.subject.value);


	// State
	if(this.document.assignment_req.state.selectedIndex > 0){
		url += "&astate=" + escape_string(this.document.assignment_req.state[this.document.assignment_req.state.selectedIndex].value);
	}

	url += "&aaddress=" + escape_string(this.document.assignment_req.address.value);
	url += "&ainstructions=" + escape_string(this.document.assignment_req.instructions.value);

        url += "&recaptcha_challenge_field=" + escape_string(this.document.assignment_req.recaptcha_challenge_field.value);
        url += "&recaptcha_response_field=" + escape_string(this.document.assignment_req.recaptcha_response_field.value);

	this.location.href = url;

	return false;
}



function formatDate(Year, Month, Day)
{
	var fDate = "";
	
	// Ignore if partial date
	if(Year.selectedIndex && Month.selectedIndex && Day.selectedIndex){
		// YYYYMMDD	
		fDate += Year[Year.selectedIndex].value;
		fDate += Month[Month.selectedIndex].value;
		fDate += Day[Day.selectedIndex].value;

		return fDate;
	}


	return "";
}

function validDate(DateStr){
	var Datevalue = "";
	var day;
	var month;
	var year;
	var leap = 0;
	var err = 0;

	/* YYYYMMDD */
        DateValue = DateStr;

	if (DateValue.length != 8) {
	      err = 19;
   	}

	/* year is wrong if year = 0000 */
	year = DateValue.substr(0,4);
	if (year == 0) {
	      err = 20;
	}

	/* Validation of month*/
	month = DateValue.substr(4,2);
	if ((month < 1) || (month > 12)) {
	      err = 21;
	}

	/* Validation of day*/
	day = DateValue.substr(6,2);
	if (day < 1) {
	     err = 22;
	}

	/* Validation leap-year / february / day */
	if ((year % 4 == 0) || (year % 100 == 0) || (year % 400 == 0)) {
	      leap = 1;
        }

	if ((month == 2) && (leap == 1) && (day > 29)) {
	      err = 23;
	}

	if ((month == 2) && (leap != 1) && (day > 28)) {
	      err = 24;
	}

	/* Validation of other months */
	if ((day > 31) && ((month == "01") || (month == "03") || (month == "05") || (month == "07") || (month == "08") || (month == "10") || (month == "12"))) {
	      err = 25;
	}

	if ((day > 30) && ((month == "04") || (month == "06") || (month == "09") || (month == "11"))) {
	      err = 26;
	}
	

       if (err != 0) {
	     return false;
       }

       return true;
}

function formatTime(fieldName, Hour, Minute)
{
	var fTime;
	
	// Ignore if partial time
	if(Hour.selectedIndex && Minute.selectedIndex){
		// HHMM	
		fTime = "&" + fieldName + "=";
		fTime += Hour[Hour.selectedIndex].value;
		fTime += Minute[Minute.selectedIndex].value;

		return fTime;
	}


	return "";
}


function prepForm(form)
{
    if(form.email.value.length > 0){
	if(validate_email(form.email) == false){
	    if(readUnescapedCookie("CNWNewswire_Language") == 'french'){ 
		alert("S'il vous pla"+String.fromCharCode(238)+"t entrer une adresse e-mail valide");
	    }
	    else{
		alert("Please enter a valid E-mail address");
	    }
	    
	    form.email.select();
	    form.email.focus();
	    return false;
	}
    }
    
    form.terms.value = "";
    return true;
}


function validate_email(email)
{
    if(email.value.match(/^[a-zA-Z][\w\.-]*[a-zA-Z0-9]@[a-zA-Z0-9][\w\.-]*[a-zA-Z0-9]\.[a-zA-Z][a-zA-Z\.]*[a-zA-Z]$/) == null){

	return false;
    }


    return true;
}