// Define browser version
var browserVersion = parseInt(navigator.appVersion);

// Substitute image
function imgLoad (nameTarget, imgName) {
	if (browserVersion > 2) {
		if (document.images) document[nameTarget].src = imgName;
	}
	return true;
}

// Preload images
function imgPreload () {
	if (browserVersion > 2) {
		imgLinks1 = new Image(); imgLinks1.src = 'images/top-link1.gif';
		imgLinks1a = new Image(); imgLinks1a.src = 'images/top-link1-act.gif';

		imgLinks2 = new Image(); imgLinks2.src = 'images/top-link2.gif';
		imgLinks2a = new Image(); imgLinks2a.src = 'images/top-link2-act.gif';

		imgLinks3 = new Image(); imgLinks3.src = 'images/top-link3.gif';
		imgLinks3a = new Image(); imgLinks3a.src = 'images/top-link3-act.gif';

		imgLinks4 = new Image(); imgLinks4.src = 'images/link1.gif';
		imgLinks4a = new Image(); imgLinks4a.src = 'images/link1-act.gif';

		imgLinks5 = new Image(); imgLinks5.src = 'images/link2.gif';
		imgLinks5a = new Image(); imgLinks5a.src = 'images/link2-act.gif';

		imgLinks6 = new Image(); imgLinks6.src = 'images/link3.gif';
		imgLinks6a = new Image(); imgLinks6a.src = 'images/link3-act.gif';

		imgLinks7 = new Image(); imgLinks7.src = 'images/link4.gif';
		imgLinks7a = new Image(); imgLinks7a.src = 'images/link4-act.gif';

		imgLinks8 = new Image(); imgLinks8.src = 'images/link5.gif';
		imgLinks8a = new Image(); imgLinks8a.src = 'images/link5-act.gif';

		imgLinks9 = new Image(); imgLinks9.src = 'images/link6.gif';
		imgLinks9a = new Image(); imgLinks9a.src = 'images/link6-act.gif';

		imgLinks10 = new Image(); imgLinks10.src = 'images/link7.gif';
		imgLinks10a = new Image(); imgLinks10a.src = 'images/link7-act.gif';

	}
	return true;
}