if(document.images) {

    var sceneson = new Image();
	var scenesoff = new Image();
	
	var dayon = new Image();
	var dayoff = new Image();
	
	var gordonon = new Image();
    var gordonoff = new Image();
    var gordonmeon = new Image();
    var gordonmeoff = new Image();
    var gordon3on = new Image();
    var gordon3off = new Image();
	
	
	var esperanzaon = new Image();
    var esperanzaoff = new Image();
    var esperanzameon = new Image();
    var esperanzameoff = new Image();
    var esperanza3on = new Image();
    var esperanza3off = new Image();
    
	var oakson = new Image();
	var oaksoff = new Image();
	var oaksmeon = new Image();
	var oaksmeoff = new Image();
	var oaks3on = new Image();
	var oaks3off = new Image();
	
	var rapidson = new Image();
	var rapidsoff = new Image();
	var rapidsmeon = new Image();
	var rapidsmeoff = new Image();
	var rapids3on = new Image();
	var rapids3off = new Image();
	
	var starton = new Image();
	var startoff = new Image();
	
	var abouton = new Image();
	var aboutoff = new Image();
	
	var resourceson = new Image();
	var resourcesoff = new Image();
	
	var sitemapon = new Image();
	var sitemapoff = new Image();
	
	
	
    sceneson.src = '../../images/nav/beh_y.gif';
	scenesoff.src = '../../images/nav/beh_w.gif';
    dayon.src = '../../images/nav/spe_y.gif';
	dayoff.src = '../../images/nav/spe_w.gif';
	
	gordonon.src = '../../images/nav/gor_hl.gif';
	gordonoff.src = '../../images/nav/gor.gif';
	gordonmeon.src = '../../images/nav/gor_hl.gif';
	gordonmeoff.src = '../../images/nav/gor_hl.gif';
	gordon3on.src = '../../images/nav/gor_op.gif';
	gordon3off.src = '../../images/nav/gor_3off.gif';
	
	
	esperanzaon.src = '../../images/nav/esp_hl.gif';
	esperanzaoff.src = '../../images/nav/esp.gif';
	esperanzameon.src = '../../images/nav/esp_hl.gif';
	esperanzameoff.src = '../../images/nav/esp_hl.gif';
	esperanza3on.src = '../../images/nav/esp_op.gif';
	esperanza3off.src = '../../images/nav/esp_3off.gif';
	
	oakson.src = '../../images/nav/tho_hl.gif';
	oaksoff.src = '../../images/nav/tho.gif';
	oaksmeon.src = '../../images/nav/tho_hl.gif';
	oaksmeoff.src = '../../images/nav/tho_hl.gif';
	oaks3on.src = '../../images/nav/tho_op.gif';
	oaks3off.src = '../../images/nav/tho_3off.gif';
	
	rapidson.src = '../../images/nav/big_hl.gif';
	rapidsoff.src = '../../images/nav/big.gif';
	rapidsmeon.src = '../../images/nav/big_hl.gif';
	rapidsmeoff.src = '../../images/nav/big_hl.gif';
	rapids3on.src = '../../images/nav/big_op.gif';
	rapids3off.src = '../../images/nav/big_3off.gif';
	
	starton.src = '../../images/nav/link_hl.gif';
	startoff.src = '../../images/nav/link.gif';
	
	abouton.src = '../../images/nav/abo_hl.gif';
	aboutoff.src = '../../images/nav/abo.gif';
	
	resourceson.src = '../../images/nav/reso_hl.gif';
	resourcesoff.src = '../../images/nav/reso.gif';
	
	sitemapon.src = '../../images/nav/sit_hl.gif';
	sitemapoff.src = '../../images/nav/sit.gif';
	}
	


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