if (document.images)
    {
		home = new Image(138,17);
		home.src = "images/nav_home.gif"
		home_on = new Image(138,17);
		home_on.src = "images/nav_home_on.gif"

		galleries = new Image(228,17);
		galleries.src = "images/nav_galleries.gif"
		galleries_on = new Image(228,17);
		galleries_on.src = "images/nav_galleries_on.gif"

		details = new Image(89,17);
		details.src = "images/nav_details.gif"
		details_on = new Image(89,17);
		details_on.src = "images/nav_details_on.gif"

		// this is on the contact page, not a nav element
		email = new Image(228,40);
		email.src = "images/pg_lmnt_email.gif"
		email_on = new Image(135,17);
		email_on.src = "images/pg_lmnt_email_on.gif"

   }

function changeImages()
    {
        if (document.images)
            {
                for (var i=0; i<changeImages.arguments.length; i+=2)
                    {
                        document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
                    }
            }
    }