jQuery.fn.valueFx = function() {
	return this.each(function(){
		var field = jQuery(this);
		var value = jQuery(this).val();
		var newVal;
		field.addClass('placeholder');
		field.focus(function(){
			if ((value == '') || (value == value)) {
				field.removeClass('placeholder');
				field.val('');
				newVal = jQuery(this).val();
			}
		});
		field.blur(function(){
			newVal = jQuery(this).val();
			if (newVal == '') {
				field.val(value);
				field.addClass('placeholder');
			}
		});
	});
};