function toggleElement(elementId) {
	var element = $(elementId);
	var trigger = $("trigger_" + elementId);
	
	trigger.innerHTML = "";
	
	
	

	
	var visible = element.style.display == "block";
	
	if (visible) {
		element.style.display = "none";
		
	} else {
		element.style.display = "block";
	}
}