if(document.images) {
        
        var  home1 = new Image();
        var  home2 = new Image();
        var  about1 = new Image();
        var  about2 = new Image();
        var  gallery1 = new Image();
        var  gallery2 = new Image();
        var  resources1 = new Image();
        var  resources2 = new Image();
        var  contact1 = new Image();
        var  contact2 = new Image();
		
     home1.src = "../images/homenav_home_off.gif";
     home2.src = "../images/homenav_home_on.gif";
     about1.src = "../images/homenav_about_off.gif";
     about2.src = "../images/homenav_about_on.gif";
     gallery1.src = "../images/homenav_gallery_off.gif";
     gallery2.src = "../images/homenav_gallery_on.gif";
     contact1.src = "../images/homenav_contact_off.gif";
     contact2.src = "../images/homenav_contact_on.gif";
     resources1.src = "../images/homenav_resources_off.gif";
     resources2.src = "../images/homenav_resources_on.gif";


}
function off(imgName) {
        if(document.images)
        document[imgName].src = eval(imgName + '1.src');
}
function on(imgName) {
        if(document.images)
        document[imgName].src = eval(imgName + '2.src');
}


function hiLite(imgDocID, imgObjName) {
    if (document.images) {
		document.images[imgDocID].src = eval(imgObjName + ".src");
	}
}