function elFocus(el, def)
{
  if(el.value == def)
    el.value = ''; 
}

function elBlur(el, def)
{
  if(el.value == '')
    el.value = def;
}

function clearDefaults(form)
{
  for(var i=0;i<form.elements.length;i++)
  {
    var el = form.elements[i];
    if(el.name == 'contact[email]' && el.value == 'Email:')
      el.value = '';
    if(el.name == 'contact[name]' && el.value == 'Name:')
      el.value = '';
    if(el.name == 'contact[text]' && el.value == 'Nachricht:')
      el.value = '';
  }  
}