function setdef(id,caller,openStr,closeStr) {
	obj = document.getElementById(id);
	if(obj.style.display != "block") {
		obj.style.display = "block";
		caller.className = "actionClose";
		caller.innerHTML = closeStr;
	}
	else {
		obj.style.display = "none";
		caller.className = "actionOpen";
		caller.innerHTML = openStr;
	}

}