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.nav1_df = new Image();
isimages.nav1_df.src = "images/nav1home.gif";

isimages.nav1_ov = new Image();
isimages.nav1_ov.src = "images/nav1homeov.gif";

isimages.nav11_df = new Image();
isimages.nav11_df.src = "images/nav1selling.gif";

isimages.nav11_ov = new Image();
isimages.nav11_ov.src = "images/nav1sellingov.gif";

isimages.nav12_df = new Image();
isimages.nav12_df.src = "images/nav1buying.gif";

isimages.nav12_ov = new Image();
isimages.nav12_ov.src = "images/nav1buyingov.gif";

isimages.nav13_df = new Image();
isimages.nav13_df.src = "images/nav1local.gif";

isimages.nav13_ov = new Image();
isimages.nav13_ov.src = "images/nav1localov.gif";

isimages.nav14_df = new Image();
isimages.nav14_df.src = "images/nav1business__opportunities.gif";

isimages.nav14_ov = new Image();
isimages.nav14_ov.src = "images/nav1business__opportunitiov.gif";

isimages.nav15_df = new Image();
isimages.nav15_df.src = "images/nav1contact.gif";

isimages.nav15_ov = new Image();
isimages.nav15_ov.src = "images/nav1contactov.gif";

}