counter = 5;
var a = new Array;
var b = new Array;
var nmbr = Math.floor(Math.random()*counter);


function rotation(letter){ 
	if (letter=='a'){w = 336;	h = 13;}
	if (letter=='b'){w = 314; h = 239;}
	doc = 'splash/images/rotate/' + letter + "" + nmbr + '.jpg';
	document.write("<img src=" + doc + " width=" + w + " height=" + h + ">")
}