if (document.images) {


nav1_home_on = new Image();
nav1_home_on.src = "/scjil/images/nav1_home_on.gif";
nav1_home_off = new Image();
nav1_home_off.src = "/scjil/images/nav1_home_off.gif";

nav1_current_on = new Image();
nav1_current_on.src = "/scjil/images/nav1_current_on.gif";
nav1_current_off = new Image();
nav1_current_off.src = "/scjil/images/nav1_current_off.gif";

nav1_archive_on = new Image();
nav1_archive_on.src = "/scjil/images/nav1_archive_on.gif";
nav1_archive_off = new Image();
nav1_archive_off.src = "/scjil/images/nav1_archive_off.gif";

nav1_citing_on = new Image();
nav1_citing_on.src = "/scjil/images/nav1_citing_on.gif";
nav1_citing_off = new Image();
nav1_citing_off.src = "/scjil/images/nav1_citing_off.gif";

nav1_global_on = new Image();
nav1_global_on.src = "/scjil/images/nav1_global_on.gif";
nav1_global_off = new Image();
nav1_global_off.src = "/scjil/images/nav1_global_off.gif";

nav1_symposium_on = new Image();
nav1_symposium_on.src = "/scjil/images/nav1_symposium_on.gif";
nav1_symposium_off = new Image();
nav1_symposium_off.src = "/scjil/images/nav1_symposium_off.gif";



}
function turnOn(imgName) {
        if (document.images) {
        	document[imgName].src = eval(imgName + "_on.src");
        }
}
function turnOff(imgName) {
        if (document.images) {
        	document[imgName].src = eval(imgName + "_off.src");
        }
}