// mouseover image effect

if (document.images) {

// on images
	home_on=new Image();
	home_on.src="/images/link_home_on.gif";

	about_on=new Image();
	about_on.src="/images/link_about_on.gif";

	contact_on=new Image();
	contact_on.src="/images/link_contact_on.gif";

// off images
	home_off=new Image();
	home_off.src="/images/link_home_off.gif";

	about_off=new Image();
	about_off.src="/images/link_about_off.gif";

	contact_off=new Image();
	contact_off.src="/images/link_contact_off.gif";
}

function imgOn(imgName) {
	if(document.images) {
		document[imgName].src=eval(imgName + "_on.src");
	}
}

function imgOff(imgName)	{
	if(document.images) {
		document[imgName].src=eval(imgName + "_off.src");
	}
}