var overImage = 0;
var overMenu = 0;

// called when you mouse over a titlebar image
function showHomeFromImage() {

	showHomeImage();
	overImage = 1;


}

// called when you mouse out from a titlebar image
function hideHomeFromImage () {

	overImage = 0;
	hideHomeImage();

}

// called when a menu is shown
function showHomeFromMenu() {

	showHomeImage();
	overMenu = 1;

}

// called when a menu is hidden
function hideHomeFromMenu() {

	overMenu = 0;
	hideHomeImage();

}

// if the home image has not been displayed yet, do so
function showHomeImage (){

	if (!(overMenu||overImage)) document.images["continent"].src = '/images/subpage/topbar_continent_home.gif';

}

// if no longer over an image and no menu is active then hide
function hideHomeImage () {

	if (!(overMenu||overImage)) document.images["continent"].src = '/images/common/topbar_continent.gif';

}