<!--
function decrypt(str, pwd) {
  if(str == null || str.length < 8) {
    //
    return;
  }
  if(pwd == null || pwd.length <= 0) {
    //
    return;
  }
  var prand = "";
  for(var i=0; i<pwd.length; i++) {
    prand += pwd.charCodeAt(i).toString();
  }
  var sPos = Math.floor(prand.length / 5);
  var mult = parseInt(prand.charAt(sPos) + prand.charAt(sPos*2) + prand.charAt(sPos*3) + prand.charAt(sPos*4) + prand.charAt(sPos*5));
  var incr = Math.round(pwd.length / 2);
  var modu = Math.pow(2, 31) - 1;
  var salt = parseInt(str.substring(str.length - 8, str.length), 16);
  str = str.substring(0, str.length - 8);
  prand += salt;
  while(prand.length > 10) {
    prand = (parseInt(prand.substring(0, 10)) + parseInt(prand.substring(10, prand.length))).toString();
  }
  prand = (mult * prand + incr) % modu;
  var enc_chr = "";
  var enc_str = "";
  for(var i=0; i<str.length; i+=2) {
    enc_chr = parseInt(parseInt(str.substring(i, i+2), 16) ^ Math.floor((prand / modu) * 255));
    enc_str += String.fromCharCode(enc_chr);
    prand = (mult * prand + incr) % modu;
  }
  return enc_str;
}


function emailCheck (emailStr) 
{

var emailPat= /^(.+)@(.+)$/
var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\,\\[\\]áðéíóúýþæöÁÐÉÍÓÚÝÞÆÖ'"
var validChars="\[^\\s" + specialChars + "\]"
var quotedUser="(\"[^\"]*\")"
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
var atom=validChars + '+'
var word="(" + atom + "|" + quotedUser + ")"
var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
var matchArray=emailStr.match(emailPat)

if (matchArray==null) 
{
	   alert("Athugaðu hvort rétt netfang hafi verið slegið inn");
	return false
}
var user=matchArray[1]
var domain=matchArray[2]

if (user.match(userPat)==null) 
{
    
    alert("Athugaðu hvort rétt netfang hafi verið slegið inn");   
    return false
}
var IPArray=domain.match(ipDomainPat)
if (IPArray!=null) 
{
    // this is an IP address
	for (var i=1;i<=4;i++) 
	{
	    if (IPArray[i]>255) 
	    {
	   alert("Athugaðu hvort rétt netfang hafi verið slegið inn");        
			return false
	    }
    }
    return true
}

var domainArray=domain.match(domainPat)
if (domainArray==null) 
{
	   alert("Athugaðu hvort rétt netfang hafi verið slegið inn");
    return false
}

var atomPat=new RegExp(atom,"g")
var domArr=domain.match(atomPat)
var len=domArr.length
if (domArr[domArr.length-1].length<2 || 
    domArr[domArr.length-1].length>3) {
   alert("Athugaðu hvort rétt netfang hafi verið slegið inn");   
   return false
}

if (len<2) 
{
   
   alert("Athugaðu hvort rétt netfang hafi verið slegið inn");
   return false
}

return true;
}


function openWindow(url,name,attributes) 
{
    var windowHandle = '';
	windowHandle = window.open(url,name,attributes);
}


  
function changeImages(imageName,imgPath) 
{
    if (document.images)
        document.images[imageName].src = imgPath;
}
//--></script>


//-->
