var browser     = '';
var version     = '';
var entrance    = '';
var cond        = '';
// BROWSER
if (browser == ''){
if (navigator.appName.indexOf('Microsoft') != -1)
browser = 'IE'
else if (navigator.appName.indexOf('Netscape') != -1)
browser = 'Netscape'
else browser = 'NN';
}
// VERSION?
if (version == ''){
version= navigator.appVersion;
paren = version.indexOf('(');
whole_version = navigator.appVersion.substring(0,paren-1);
version = parseInt(whole_version);
}
// BROWSER & VERSION
if (browser == 'IE' && version >= 4) entrance = 'yes';
if (browser == 'IE' && version < 4) entrance = 'no';
if (browser == 'Netscape' && version >= 2.02) entrance = 'yes';
if (browser == 'Netscape' && version < 2.02) entrance = 'no';
if (entrance=='yes'){
	name0a=new Image;name0a.src="images/about.gif";
	name0b=new Image;name0b.src="images/about_over.gif";
	name0c=new Image;name0c.src="images/about_down.gif";
	name1a=new Image;name1a.src="images/products.gif";
	name1b=new Image;name1b.src="images/products_over.gif";
	name1c=new Image;name1c.src="images/products_down.gif";
	name2a=new Image;name2a.src="images/ordering.gif";
	name2b=new Image;name2b.src="images/ordering_over.gif";
	name2c=new Image;name2c.src="images/ordering_down.gif";
	name3a=new Image;name3a.src="images/recipes.gif";
	name3b=new Image;name3b.src="images/recipes_over.gif";
	name3c=new Image;name3c.src="images/recipes_down.gif";
	name4a=new Image;name4a.src="images/contact.gif";
	name4b=new Image;name4b.src="images/contact_over.gif";
	name4c=new Image;name4c.src="images/contact_down.gif";
	name5a=new Image;name5a.src="images/home.gif";
	name5b=new Image;name5b.src="images/home_over.gif";
	name5c=new Image;name5c.src="images/home_down.gif";
	name6a=new Image;name6a.src="images/rordering.gif";
	name6b=new Image;name6b.src="images/rordering_over.gif";
	name6c=new Image;name6c.src="images/rordering_down.gif";
	name7a=new Image;name7a.src="images/wordering.gif";
	name7b=new Image;name7b.src="images/wordering_over.gif";
	name7c=new Image;name7c.src="images/wordering_down.gif";

}
function lighten(imgName) {
	if (entrance == 'yes'){
		imgOn = eval(imgName + 'b.src');
		document[imgName].src = imgOn;
	}
}
function darken(imgName) {
	if (entrance == 'yes'){
		imgOff = eval(imgName + 'a.src');
		document[imgName].src = imgOff;
	}
}
function darken2(imgName) {
	if (entrance == 'yes'){
		imgClick = eval(imgName + 'c.src');
		document[imgName].src = imgClick;
	}
}