$(document).ready(function () {
	var i = document.createElement("input");
	if(i.placeholder == undefined) {
		implementPlaceholder();
	}
});

function implementPlaceholder() {
	$('input[placeholder]').focus(function () {
		var input = $(this);
		if(input.val() == input.attr('placeholder')) {
			input.val('');
			input.removeClass('placeholder');
		}
	}).blur(function () {
		var input = $(this);
		if(input.val() == '') {
			input.addClass('placeholder');
			input.val(input.attr('placeholder'));
		}
	}).blur().parents('form').submit(function () {
		$(this).find('[placeholder]').each(function () {
			var input = $(this);
			if(input.val() == input.attr('placeholder')) {
				input.val('');
			}
		})
	});
}