var iValue, rNumber;

var img1=new Image();
var img2=new Image();
var img3=new Image();
var img4=new Image();
var img5=new Image();
var img6=new Image();
var img7=new Image();
var img8=new Image();
var img9=new Image();
var img10=new Image();
var img11=new Image();
var img12=new Image();
var img13=new Image();
var img14=new Image();
var img15=new Image();
img1.src="../i/i01.jpg";
img2.src="../i/i02.jpg";
img3.src="../i/i03.jpg";
img4.src="../i/i05.jpg";
img5.src="../i/i06.jpg";
img6.src="../i/i07.jpg";
img7.src="../i/i09.jpg";
img8.src="../i/i10.jpg";
img9.src="../i/i11.jpg";
img10.src="../i/i12.jpg";
img11.src="../i/i13.jpg";
img12.src="../i/i14.jpg";
img13.src="../i/i15.jpg";
img14.src="../i/i16.jpg";
img15.src="../i/i17.jpg";

function displayImage() {
	iValue=Math.random()*15;
	rNumber=Math.ceil(iValue);
	if(rNumber==0) rNumber++;
	document.image1.src=eval("img"+rNumber+".src");
}