var default_text = "";
function example_me_on(this_element) {
	
	if (!default_text.length) {
		default_text = this_element.value;
	}
	
	if (this_element.value == default_text) {
		this_element.value = "";
		this_element.style.color = "#000000";
	}
	
}
function example_me_off(this_element) {
	if (this_element.value == "") {
		this_element.value = default_text;
		this_element.style.color = "#999999";
	}
}