if(document.images) {
        
        var  home1 = new Image();
        var  home2 = new Image();
        var  projects1 = new Image();
        var  projects2 = new Image();
        var  contactus1 = new Image();
        var  contactus2 = new Image();
        var  resources1 = new Image();
        var  resources2 = new Image();
		var  employment1 = new Image();
        var  employment2 = new Image();

        
        
     
     home1.src = "images/subnav_home_off.gif";
     home2.src = "images/subnav_home_on.gif";
     projects1.src = "images/subnav_projects_off.gif";
     projects2.src = "images/subnav_projects_on.gif";
     contactus1.src = "images/subnav_contactus_off.gif";
     contactus2.src = "images/subnav_contactus_on.gif";
     resources1.src = "images/subnav_resources_off.gif";
     resources2.src = "images/subnav_resources_on.gif";
	 employment1.src = "images/subnav_employment_off.gif";
     employment2.src = "images/subnav_employment_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");
	}
}