function rollover_tjs(nom,src) {	
	document.images[nom].src=src;
}


function load() {
	if (document.images) {
		this.length=load.arguments.length;
		for (var i=0;i<this.length;i++) {
			this[i+1]=new Image();
			this[i+1].src=load.arguments[i];
		}
	}
}
function preload() {
	var temp=new load("rome.gif","rome-photo.gif","rome-plan.gif","colisee-de-rome.gif")
}

preload()