var formName= null;
var textfield = null;
var leftfield = null;
var intv = null;
var maxSigns = 0;

function counter ()
{
   var length = textfield.value.length;
   var left = maxSigns - length;

   if (left < 0)
   {
         var content = textfield.value;
         var newcontent = content.substr(0, maxSigns);
         textfield.value = newcontent;
         left = 0;
         alert('Du darfst maximal ' + maxSigns + ' Zeichen verwenden!');
   }

   leftfield.value = left;
}

function togglePasswordInput () {
 document.getElementById("passwordHide").style.display = "none";
 document.getElementById("password").style.display = "inline";
 document.getElementById("password").focus();
}

function changeArrow (id) {
 if (YAHOO.util.Dom.hasClass(id, 'arrow_up')) {
    YAHOO.util.Dom.replaceClass(id, 'arrow_up' ,'arrow_down');
 } else {
   YAHOO.util.Dom.replaceClass(id, 'arrow_down' ,'arrow_up');
 }
 
}