function popup(fileName,width,height)
{
window.open(fileName,'',"height="+height+",width="+width+",top=100,left=400,scrollbars=1");
}
function isDate(str)
{
  var re = /^(\d{1,2})[\s\.\/-](\d{1,2})[\s\.\/-](\d{4})$/
    if (!re.test(str)) return false;
  var result = str.match(re);
  var m = parseInt(result[1]);
  var d = parseInt(result[2]);
  var y = parseInt(result[3]);
  if(m < 1 || m > 12 || y < 1900 || y > 2100) return false;
  if(m == 2){
    var days = ((y % 4) == 0) ? 29 : 28;
  }else if(m == 4 || m == 6 || m == 9 || m == 11){
    var days = 30;
  }else{
    var days = 31;
  }
  return (d >= 1 && d <= days);
}

function change2(id, val)
{
  if(val == 'uk') {
    document.getElementById(id+'_uk').style.display = "block";
    document.getElementById(id+'_us').style.display = "none";
    document.getElementById(id+'_eu').style.display = "none";
  } else if(val == 'us') {
    document.getElementById(id+'_uk').style.display = "none";
    document.getElementById(id+'_us').style.display = "block";
    document.getElementById(id+'_eu').style.display = "none";
  } else if(val == 'eu') {
    document.getElementById(id+'_uk').style.display = "none";
    document.getElementById(id+'_us').style.display = "none";
    document.getElementById(id+'_eu').style.display = "block";
  }
}

function change(val)
{
  if(val == 'uk')
  {
    document.getElementById('uk').style.display = "block";
    document.getElementById('us').style.display = "none";
    document.getElementById('euro').style.display = "none";
    document.getElementById("currencyUK").id = "currencyUKact";
    document.getElementById("currencyUSact").id = "currencyUS";
    document.getElementById("currencyEUROact").id = "currencyEURO";
  }
  if(val == 'us')
  {
    document.getElementById('uk').style.display = "none";
    document.getElementById('us').style.display = "block";
    document.getElementById('euro').style.display = "none";
    document.getElementById("currencyUKact").id = "currencyUK";
    document.getElementById("currencyUS").id = "currencyUSact";
    document.getElementById("currencyEUROact").id = "currencyEURO";
  }
  if(val == 'euro')
  {
    document.getElementById('uk').style.display = "none";
    document.getElementById('us').style.display = "none";
    document.getElementById('euro').style.display = "block";
    document.getElementById("currencyUKact").id = "currencyUK";
    document.getElementById("currencyUSact").id = "currencyUS";
    document.getElementById("currencyEURO").id = "currencyEUROact";
  }
}