function na_call(str)
{
  eval(str);
}

function checkmail()
{
  var checkEmail = "@.";
  var checkStr = frmNews.email.value;
  var EmailValid = false;
  var EmailAt = false;
  var EmailPeriod = false;

  if ((checkStr == "your@email.com")||(checkStr == ""))
  {
    alert("Please enter your e-mail");
    return (false);
  }

  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkEmail.length;  j++)
    {
      if (ch == checkEmail.charAt(j) && ch == "@")
        EmailAt = true;
      if (ch == checkEmail.charAt(j) && ch == ".")
        EmailPeriod = true;
	  if (EmailAt && EmailPeriod)
		break;
	  if (j == checkEmail.length)
		break;
	}
    if (EmailAt && EmailPeriod)
    {
		EmailValid = true
		break;
	}
  }
  if (!EmailValid)
  {
    alert("Your e-mail address doesn't seem to be valid");
    return (false);
   }
  }

function pr()
{ 
  var img_list = pr.arguments;
  if (document.preloadlist == null) 
    document.preloadlist = new Array();
  var top = document.preloadlist.length;
  for (var i=0; i < img_list.length; i++) {
    document.preloadlist[top+i]     = new Image;
    document.preloadlist[top+i].src = img_list[i+1];
  } 
}

function ch(name, nsdoc, rpath, preload)
{ 
  var img = eval((navigator.appName == 'Netscape') ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img) {
    img.altsrc = img.src;
    img.src    = rpath;
  } 
}

function res(name, nsdoc)
{
  var img = eval((navigator.appName == 'Netscape') ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img && img.altsrc) {
    img.src    = img.altsrc;
    img.altsrc = null;
  } 
}