placeholder textarea IE support js

// placeholder IE support js
jQuery(function() {
   jQuery.support.placeholder = false;
   webkit_type = document.createElement('input');
   if('placeholder' in webkit_type) jQuery.support.placeholder = true;});
   $(function() {

     if(!$.support.placeholder) {

       var active = document.activeElement;

       $(':text, textarea, :password').focus(function () {

       if (($(this).attr('placeholder')) && ($(this).attr('placeholder').length > 0) &&         ($(this).attr('placeholder') != '') && $(this).val() == $(this).attr('placeholder')) {
          $(this).val('').removeClass('hasPlaceholder');
        }
      }).blur(function () {
if (($(this).attr('placeholder')) && ($(this).attr('placeholder').length > 0) &&  ($(this).attr('placeholder') != '') && ($(this).val() == '' || $(this).val() ==   $(this).attr('placeholder'))) {
     $(this).val($(this).attr('placeholder')).addClass('hasPlaceholder');
}
});

$(':text, textarea, :password').blur();
$(active).focus();
$('form').submit(function () {
     $(this).find('.hasPlaceholder').each(function() { $(this).val(''); });
});
}
});