function first_reset() {
	if (this.first) {
		this.value = "";
		this.first = false;
	}
}

checklist = Array();

function setup(elem_id,val) {
	e = $(elem_id);
	e.first = true;
	e.value = val;
	e.observe('select', first_reset);
	e.observe('click', first_reset);
	checklist[checklist.length] = e;
}

document.observe("dom:loaded", function() {
	$('experience').removeClassName('no_js');
	setup('id_name',"TYPE YOUR NAME");
	setup('id_location',"YOUR LOCATION");
	setup('id_activity',"AND ACTIVITY");
	$('exp_form').observe('submit',function(event) {
		for (i=0;i<checklist.length;i++) {
			if (checklist[i].first || checklist[i].value=='') {
				event.stop();
				return false;
			}
		}
	});
});