rollover = [];

function preload(imgs,path,ext,state){
	imgs = (imgs == null ? [] : imgs);
	path = (path == null ? "/images/" : path);
	ext = (ext == null ? "png" : ext);
	state = (state == null ? ["over"] : state);
	for (var i=0; i<imgs.length; i++){
		rollover[imgs[i]] = new Image();
		rollover[imgs[i]].src = path+imgs[i]+"."+ext;
		for (var z=0; z<state.length; z++){
			rollover[imgs[i]+"-"+state[z]] = new Image();
			rollover[imgs[i]+"-"+state[z]].src = path+imgs[i]+"-"+state[z]+"."+ext;
		};
	};
};