var isloaded = false;
if (document.images) {
    isimg1off = new Image();isimg1off.src = "../images/subnav_him_legend_th_off.gif";
    isimg2off = new Image();isimg2off.src = "../images/subnav_him_geo_th_off.gif";
    isimg3off = new Image();isimg3off.src = "../images/subnav_him_lit_th_off.gif";
	isimg4off = new Image();isimg4off.src = "../images/subnav_him_buddhist_th_off.gif";
	isimg5off = new Image();isimg5off.src = "../images/subnav_him_hindu_th_off.gif";
	isimg6off = new Image();isimg6off.src = "../images/subnav_him_other_th_off.gif";
	isimg7off = new Image();isimg7off.src = "../images/subnav_him_where_th_off.gif";
}
function isimageLoad() {
    if (document.images) {
    isimg1on = new Image();isimg1on.src = "../images/subnav_him_legend_th_on.gif";
    isimg2on = new Image();isimg2on.src = "../images/subnav_him_geo_th_on.gif";
    isimg3on = new Image();isimg3on.src = "../images/subnav_him_lit_th_on.gif";
	isimg4on = new Image();isimg4on.src = "../images/subnav_him_buddhist_th_on.gif";
	isimg5on = new Image();isimg5on.src = "../images/subnav_him_hindu_th_on.gif";
	isimg6on = new Image();isimg6on.src = "../images/subnav_him_other_th_on.gif";
	isimg7on = new Image();isimg7on.src = "../images/subnav_him_where_th_on.gif";
        return (isloaded = true);
    }
}