var img = new Array();

function preloadImage(){
	for (i=0; i<arguments.length; i++){
		img[i] = new Image();
		img[i].src = arguments[i];
	}
}

function swapOn(name,path){
	if (document.images)
		document.images[name].src = path;
}

function swapOff(name,path){
	if (document.images)
		document.images[name].src = path;
}