//control rollOver
function imgOn(imgName) {
	if (document.images) { 
		document[imgName].src = eval(imgName + "on.src");
		}
	}
function imgOff(imgName) {
        if (document.images) {
			document[imgName].src = eval(imgName + "off.src");
			}
		}
// Imagen
 if (document.images) {            
 //botones
     img1on = new Image();
     img1on.src = "img/planta01_on.jpg"; 
     img2on = new Image(); 
     img2on.src = "img/planta02_on.jpg";

     img1off = new Image();
     img1off.src = "img/planta01_off.jpg"; 
     img2off = new Image(); 
     img2off.src = "img/planta02_off.jpg"; 
/*
//mapa
	 img3on = new Image();
     img3on.src = "img/planta01_mapa.gif"; 
     img4on = new Image(); 
     img4on.src = "img/planta01_uniformes_off.gif";
	 img5on = new Image(); 
     img5on.src = "img/planta01_uniformes_off.gif";
	 img6on = new Image();
     img6on.src = "img/planta01_historia_off.gif"; 

     img3off = new Image();
     img3off.src = "img/planta01_mapa.gif"; 
     img4off = new Image(); 
	 img4off.src = "img/planta01_mapa.gif"; 
	 img5off = new Image(); 
     img5off.src = "img/planta01_mapa.gif";
	 img6off = new Image(); 
     img6off.src = "img/planta01_mapa.gif";
	*/ 
    }