var last = 0;

		if (document.images) {
// preload images start
image48on = new Image();
image48on.src = "/templates/html/navigate_audiovisual_es_imageleft_level_0_foto_on.gif";
image48off = new Image();
image48off.src = "/templates/html/navigate_audiovisual_es_imageleft_level_0_foto_off.gif";
image48act = new Image();
image48act.src = "/templates/html/navigate_audiovisual_es_imageleft_level_0_foto_act.gif";
// preload images end
}


		function act_audiovisual(imgName, imgNum) {
			document[imgName].src = eval(imgName + 'on.src');	
		}

		function inact_audiovisual(imgName, imgNum) {
			document[imgName].src = eval(imgName + 'off.src');
		}

		function stay_audiovisual(imgName, imgNum) {
// stay images start
image48on.src = "/templates/html/navigate_audiovisual_es_imageleft_level_0_foto_on.gif";
image48off.src = "/templates/html/navigate_audiovisual_es_imageleft_level_0_foto_off.gif";
if (imgNum==48){
image48on.src = "/templates/html/navigate_audiovisual_es_imageleft_level_0_foto_act.gif";
image48off.src = "/templates/html/navigate_audiovisual_es_imageleft_level_0_foto_act.gif";
}
// stay images end

		document[imgName].src = eval(imgName + 'act.src');

		if (last>0){
			temp='image' + last;
				document[temp].src = eval(temp + 'off.src');
			}
			last=imgNum;
		}