$(document).ready(function(){
  $('input[type=text]').live('focus',function(){
    var obj = $(this);
    if (this.value == this.alt) {
      this.value = '';
    }
  });
  $('input[type=text]').live('blur',function(){
    if (this.value == '') {
      if(this.alt) {
        this.value = this.alt;
      }
    }
  });
  $('input[type=password]').live('focus',function(){
    var obj = $(this);
    if (this.value == this.alt) {
      this.value = '';
    } else if(this.value != '') {
      obj.attr('alt', this.value);
      this.value = '';
    }
  });
  $('input[type=password]').live('blur',function(){
    if (this.value == '') {
      this.value = this.alt;
    }
  });
});