//set colours in tr
function setPointer(theRow, thePointerColor)
{
    if (typeof(theRow.style) == 'undefined' || typeof(theRow.cells) == 'undefined') {
        return false;
    }

    var row_cells_cnt = theRow.cells.length;
    for (var c = 0; c < row_cells_cnt; c++) {
        theRow.cells[c].bgColor = thePointerColor;
    }
    return true;
}

var Win="";
function displayWindow(url, width, height, left, top) 
{
	if (Win.closed == false) {Win.close()}
   Win = window.open(url,"displayWindow",'width=' + width + ',height=' + height + ', left=' + left +', top=' + top +',resizable=0,scrollbars=auto, menubar=no' );
   Win.focus();
}


function emailCheck (emailStr)
{
var emailPat=/^(.+)@(.+)$/
var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
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("Adres e-mail jest nieprawidłowy (sprawdź @ oraz prefix przed @)")
 return false
}
var user=matchArray[1]
var domain=matchArray[2]

if (user.match(userPat)==null) {
    alert("Nieprawidłowo podano adres e-mail.")
    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("Ten adres IP jest błędny!")
  return false
     }
    }
    return true
}

var domainArray=domain.match(domainPat)
if (domainArray==null) {
 alert("Nazwa domeny została błędnie podana.")
    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>4) {
   alert("Końcówka domeny musi posiadać dwie, trzy lub cztery litery!")
   return false
}

if (len<2) {
   var errStr="Ten adres jest błędny! Sprawdź jeszcze raz poprawność domeny"
   alert(errStr)
   return false
}

return true;
}