function init() {
	popup_enter_off=new Image;
	popup_enter_off.src=js_root + "images/content/popup_enter_off.gif";
	popup_enter_roll=new Image;
	popup_enter_roll.src=js_root + "images/content/popup_enter_roll.gif";
	
	popup_exit_off=new Image;
	popup_exit_off.src=js_root + "images/content/popup_exit_off.gif";
	popup_exit_roll=new Image;
	popup_exit_roll.src=js_root + "images/content/popup_exit_roll.gif";

	global_init();
	isLoaded=true;
}