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

// preload images
function imgPreload (path) {
	if (browserVersion > 2) {
		imgHome = new Image();
		imgHome.src = path + 'icon-home.gif';
		imgHomeOver = new Image();
		imgHomeOver.src = path + 'icon-home-act.gif';
		imgHomeAct = new Image();
		imgHomeAct.src = path + 'icon-home-act.gif';

		imgAbout = new Image();
		imgAbout.src = path + 'icon-about.gif';
		imgAboutOver = new Image();
		imgAboutOver.src = path + 'icon-about-act.gif';
		imgAboutAct = new Image();
		imgAboutAct.src = path + 'icon-about-act.gif';

		imgNews = new Image();
		imgNews.src = path + 'icon-news.gif';
		imgNewsOver = new Image();
		imgNewsOver.src = path + 'icon-news-act.gif';
		imgNewsAct = new Image();
		imgNewsAct.src = path + 'icon-news-act.gif';

		imgContact = new Image();
		imgContact.src = path + 'icon-contact.gif';
		imgContactOver = new Image();
		imgContactOver.src = path + 'icon-contact-act.gif';
		imgContactAct = new Image();
		imgContactAct.src = path + 'icon-contact-act.gif';

		imgSection = new Image();
		imgSection.src = path + 'bg-link.gif'
		imgSectionOver = new Image();
		imgSectionOver.src = path + 'bg-link-act.gif';
		imgSectionAct = new Image();
		imgSectionAct.src = path + 'bg-link-act.gif';
	}
	return true;
}

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

// variate header image

if (browserVersion > 2)	{
		
	if (document.images) {
//		imgHeader = new Image();
//		imgHeader.src = 'img/design/visual.jpg';
		
	}
}