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");}}

if (document.images)
{
worldguideon=new Image(); worldguideon.src="../img/gnav_worldguide_over.gif";
worldguideoff=new Image(); worldguideoff.src="../img/gnav_worldguide_off.gif";

lpshopon=new Image(); lpshopon.src="../img/gnav_lpshop_over.gif";
lpshopoff=new Image(); lpshopoff.src="../img/gnav_lpshop_off.gif";

thorntreeon=new Image(); thorntreeon.src="../img/gnav_thorntree_over.gif";
thorntreeoff=new Image(); thorntreeoff.src="../img/gnav_thorntree_off.gif";

travelserviceson=new Image(); travelserviceson.src="../img/gnav_travelservices_over.gif";
travelservicesoff=new Image(); travelservicesoff.src="../img/gnav_travelservices_off.gif";

traveltickeron=new Image(); traveltickeron.src="../img/gnav_travelticker_over.gif";
traveltickeroff=new Image(); traveltickeroff.src="../img/gnav_travelticker_off.gif";

themeguideson=new Image(); themeguideson.src="../img/gnav_themeguides_over.gif";
themeguidesoff=new Image(); themeguidesoff.src="../img/gnav_themeguides_off.gif";

ontheroadon=new Image(); ontheroadon.src="../img/gnav_ontheroad_over.gif";
ontheroadoff=new Image(); ontheroadoff.src="../img/gnav_ontheroad_off.gif";

postcardson=new Image(); postcardson.src="../img/gnav_postcards_over.gif";
postcardsoff=new Image(); postcardsoff.src="../img/gnav_postcards_off.gif";

healthon=new Image(); healthon.src="../img/gnav_health_over.gif";
healthoff=new Image(); healthoff.src="../img/gnav_health_off.gif";

subwwwayon=new Image(); subwwwayon.src="../img/gnav_subwwway_over.gif";
subwwwayoff=new Image(); subwwwayoff.src="../img/gnav_subwwway_off.gif";

aboutlpon=new Image(); aboutlpon.src="../img/gnav_aboutlp_over.gif";
aboutlpoff=new Image(); aboutlpoff.src="../img/gnav_aboutlp_off.gif";

helpon=new Image(); helpon.src="../img/gnav_help_over.gif";
helpoff=new Image(); helpoff.src="../img/gnav_help_off.gif";

contactuson=new Image(); contactuson.src="../img/gnav_contactus_over.gif";
contactusoff=new Image(); contactusoff.src="../img/gnav_contactus_off.gif";

}