if (document.images) 
{  
image1on = new Image();  image1on.src = "../gif/campingg.gif";  
image2on = new Image();  image2on.src = "../gif/bungalowg.gif";  
image3on = new Image();  image3on.src = "../gif/laconag.gif";  
image4on = new Image();  image4on.src = "../gif/elbagde.gif";  
image5on = new Image();  image5on.src = "../gif/richiestegde.gif";  
image6on = new Image();  image6on.src = "../gif/lastg.gif";    
image7on = new Image();  image6on.src = "../gif/lastgde.gif";    
image1off = new Image();  image1off.src = "../gif/campingb.gif";  
image2off = new Image();  image2off.src = "../gif/bungalowb.gif";  
image3off = new Image();  image3off.src = "../gif/laconab.gif";  
image4off = new Image();  image4off.src = "../gif/elbabde.gif";  
image5off = new Image();  image5off.src = "../gif/richiestebde.gif";  
image6off = new Image();  image6off.src = "../gif/lastb.gif";
image7off = new Image();  image6off.src = "../gif/lastbde.gif";
}
function turnOn(imageName) {  
if (document.images) {    document[imageName].src = eval(imageName + "on.src");  
	}
}
function turnOff(imageName) {  
if (document.images) {    
document[imageName].src = eval(imageName + "off.src");  
}
}