var canDoImages;
if( document.images==null ){
	canDoImages = false;} else {
	canDoImages = true;}

act0a = new Image(400, 400);
act0a.src = "../_interieurs/i_barcelona_002.jpg";
act0b = new Image(400, 400);
act0b.src = "../_interieurs/i_barcelona_001.jpg";


function img_act(imgName, target) { 
	if( canDoImages ) {
		descrimgOn = eval(imgName + ".src");
		document[target].src = descrimgOn;} 
}
function  img_inact(imgName, target) { 
	if( canDoImages ) {
		descrimgOn = eval(imgName + ".src");	
		document[target].src = descrimgOn;} 
}