//<script language="javascript"

function HasRuntimeVersion(v, c) {
  var va = ConvertVersionStringToArray(v);
  var a = navigator.userAgent.match(/\.NET CLR [0-9.]+/g);

  if(va[0] == 4)
    a = navigator.userAgent.match(/\.NET[0-9.]+E/g);

  if(c) {
    a = navigator.userAgent.match(/\.NET Client [0-9.]+/g);
    if (va[0] == 4)
      a = navigator.userAgent.match(/\.NET[0-9.]+C/g);
  }

  if (a != null)
    for (var i = 0; i < a.length; ++i)
      if (CompareVersions(va, ConvertVersionStringToArray(a[i])) <= 0)
        return true;

  return false;
}

function ConvertVersionStringToArray(v) {
  var a = v.match(/([0-9]+)\.([0-9]+)\.([0-9]+)/i);

  if(a == null)
    a = v.match(/([0-9]+)\.([0-9]+)/i);

  return a.slice(1);
}

function CompareVersions(v1, v2) {
  if(v1.length > v2.length) {
    v2[v2.length] = 0;
  } else if(v1.length < v2.length) {
    v1[v1.length] = 0;
  }

  for (var i = 0; i < v1.length; ++i) {
    var n1 = new Number(v1[i]);
    var n2 = new Number(v2[i]);
    if (n1 < n2)
      return -1;
    if (n1 > n2)
      return 1;
  }

  return 0;
}