//walidacja formularzy

function showErr(txt,element)
{              
    document.getElementById(element).innerHTML = txt;
    return false;
}

function clearMsg(element,class_name)
{   
   collection = document.getElementsByTagName(element);
   len = collection.length;
	 for (i=0; i<len; i++)
	 {
      if (collection[i].className == class_name)
      {
        elem = collection[i].id;
        elem = elem.toString();                        
        document.getElementById(elem).innerHTML = '';
      }
   }
}

function noneMsg(element,class_name)
{   
   collection = document.getElementsByTagName(element);
   len = collection.length;
	 for (i=0; i<len; i++)
	 {
      if (collection[i].className == class_name)
      {
        elem = collection[i].id;
        elem = elem.toString(); 
				document.getElementById(elem).innerHTML = '';
        document.getElementById(elem).style.display = 'none';
      }
   }
}