kcplaceholder.js

$(function(){

	// Remove placeholder when the element is brought into focus
  $('[placeholder]').focus(function() {
    var element = $(this), value = element.val(), placeholder = element.attr('placeholder');
    if (value == placeholder) {element.val('');}

  // Put the placeholder text back into the element if it's empty
	}).blur(function() {
    var element = $(this), value = element.val(), placeholder = element.attr('placeholder');
    if (value == '' || value == placeholder) {element.val(placeholder);}

  // Before the form is submitted, we need to remove all our placeholder text so it does not get submitted with the form
	}).blur().parents('form').submit(function() {
    var element = $(this), value = element.val(), placeholder = element.attr('placeholder');
    element.find('[placeholder]').each(function() {
			if (value == placeholder) {element.val('');}
		})
	});

});