var conditions = false;
var operators  = false;
var indexBox = 1;
function initAdvanceForm() {
	conditions = document.getElementsByClassName('condition');
	operators = document.getElementsByClassName('operators');
}

function AdvanceAddBox() {
	if(indexBox<conditions.length) {
		operators[indexBox-1].removeClassName('hidden');
		conditions[indexBox].removeClassName('hidden');
		indexBox++;
	} else {
		return;
	}
	
}
Event.observe(window, 'load', initAdvanceForm);