var picture_handle, picture_id, picture_source;
function picture_change (picture_id,picture_source) {
	picture_handle=document.getElementById(picture_id);
	if ( picture_handle ) {
		picture_handle.src=picture_source;
	}
}
			
var menu_requested, menu_mode, menu_picture_ext;
menu_picture_ext="gif";
function seq_menu(menu_requested,menu_mode) {
	if ( menu_mode=="over" || menu_mode=="click" ) {
		picture_change("menu_"+menu_requested,"menu_"+menu_requested+"_selected"+"."+menu_picture_ext);
		if ( menu_mode=="click" ) {
			menu_current=menu_requested;
		}
	}
	if ( menu_mode=="out" && node_id!=menu_requested) {
		picture_change("menu_"+menu_requested,"menu_"+menu_requested+"."+menu_picture_ext);
	}
}

var init_action;
function seq_init() {
	if ( node_id == "teaser" ) {
		seq_plugin_flash_in();
		window.setTimeout("seq_plugin_flash_out_fallback()",3000);
	}
}

var layer_id;
var layer_mode;
function layer_display ( layer_id , layer_mode ) {
	if ( document.getElementById(layer_id) ) {
		document.getElementById(layer_id).style.display=layer_mode;
	}
}

var plugin_flash_switch;
function plugin_flash_enabled ( switch_enabled ) {
	plugin_flash_switch=switch_enabled
}

function seq_plugin_flash_in() {
	layer_display("content","none");
	layer_display("menu","none");
	layer_display("head","none");
	layer_display("plugin_teaser","block");
	layer_display("plugin_skip","block");
}

function seq_plugin_flash_out_prepare() {
	layer_display("content","block");
	layer_display("menu","block");
	layer_display("head","block");
	layer_display("plugin_skip","none");
	node_id="home";	
}

function seq_plugin_flash_out() {
	layer_display("plugin_teaser","none");
}

function seq_plugin_flash_out_fallback() {
	if ( plugin_flash_switch != "enabled" ) {
		seq_plugin_flash_out_prepare();
		seq_plugin_flash_out();
	}
}