isamap = new Object();
isamap[0] = "_df"
isamap[1] = "_ov"
isamap[2] = "_ot"
isamap[3] = "_dn"

function isimgact(id, act)
{
	if(document.images) document.images[id].src = eval( "isimages." + id + isamap[act] + ".src");
}

if (document.images) { // ensure browser can do JavaScript rollovers.
isimages = new Object();
isimages.buttons_df = new Image();
isimages.buttons_df.src = "images/buttonsgrand_openings.gif";

isimages.buttons_ov = new Image();
isimages.buttons_ov.src = "images/buttonsgrand_openingsov.gif";

isimages.buttons1_df = new Image();
isimages.buttons1_df.src = "images/buttonscurrent_specials.gif";

isimages.buttons1_ov = new Image();
isimages.buttons1_ov.src = "images/buttonscurrent_specialsov.gif";

isimages.buttons2_df = new Image();
isimages.buttons2_df.src = "images/buttonsstore_locator.gif";

isimages.buttons2_ov = new Image();
isimages.buttons2_ov.src = "images/buttonsstore_locatorov.gif";

isimages.buttons3_df = new Image();
isimages.buttons3_df.src = "images/buttonskids___sports.gif";

isimages.buttons3_ov = new Image();
isimages.buttons3_ov.src = "images/buttonskids___sportsov.gif";

isimages.buttons4_df = new Image();
isimages.buttons4_df.src = "images/buttonsaz_subway_news.gif";

isimages.buttons4_ov = new Image();
isimages.buttons4_ov.src = "images/buttonsaz_subway_newsov.gif";

}