function init_layers() {

	navigation1NorDiv = new DynLayer("nav1nor");
	navigation1NorDiv.show();
	
	navigation1OvrDiv = new DynLayer("nav1ovr");
	navigation1OvrDiv.hide();

	navigation2NorDiv = new DynLayer("nav2nor");
	navigation2NorDiv.show();
	
	navigation2OvrDiv = new DynLayer("nav2ovr");
	navigation2OvrDiv.hide();

	navigation3NorDiv = new DynLayer("nav3nor");
	navigation3NorDiv.show();
	
	navigation3OvrDiv = new DynLayer("nav3ovr");
	navigation3OvrDiv.hide();

	navigation4NorDiv = new DynLayer("nav4nor");
	navigation4NorDiv.show();
	
	navigation4OvrDiv = new DynLayer("nav4ovr");
	navigation4OvrDiv.hide();

	navigation5NorDiv = new DynLayer("nav5nor");
	navigation5NorDiv.show();

	navigation5OvrDiv = new DynLayer("nav5ovr");
	navigation5OvrDiv.hide();

	navigationCloserDiv = new DynLayer("navcloser");
	navigationCloserDiv.hide();
	
}