var current_info_popup = '';

function activate_info_popup(name) {
	if (this.current_info_popup) {
		close_info_popup(this.current_info_popup);
	}
	this.current_info_popup = name;
	
	var popup = document.getElementById(name + "_popup");
	var trigger = document.getElementById(name + "_trigger");
	popup.style.display = "block";
	trigger.style.display = "none";
}

function close_info_popup(name) {
	var popup = document.getElementById(name + "_popup");
	var trigger = document.getElementById(name + "_trigger");
	popup.style.display = "none";
	trigger.style.display = "inline";

}