function checkNumField(name, range,e) {
if(window.event) // IE
  {
  keynum = e.keyCode;
  }
else if(e.which) // Netscape/Firefox/Opera
  {
  keynum = e.which;
  }

keychar = parseInt(String.fromCharCode(keynum));
var len=($(name).value.length);
if (len>=range && (keynum>=47 && keynum<=58)) {
alert(name+" field must have no more than "+range+" characters...");
return false;
}
else if ((keynum!=46) && !(keynum>=37 && keynum<=40)  && (keynum!=8) && !(keynum>=48 && keynum<=57)) {
alert(name+" field does only accept numbers (0-9)..."+keynum);


return false;
}
else return true;
}

function checkTxtField(name, range,e) {
if(window.event) // IE
  {
  keynum = e.keyCode;
  }
else if(e.which) // Netscape/Firefox/Opera
  {
  keynum = e.which;
  }
 
keychar = parseInt(String.fromCharCode(keynum));

var len=($(name).value.length);
if (len>=range) {
alert(name+" field must have no more than "+range+" characters...");
return false;
}
else if (!(keynum>96 && keynum<123) && !(keynum>47 && keynum<58) && !(keynum>64 && keynum<91)) {
alert(name+" field does only accept letters (A-Z) and numbers (0-9)...");
return false;
}
else return true;
}


function swaplang(page,lang) {
openAjax("helptext/"+lang+"/"+page,"help");	
}