var Quotation=new Array()

Quotation[0] = "/image/mainimage1.jpg";
Quotation[1] = "/image/mainimage2.jpg";
Quotation[2] = "/image/mainimage3.jpg";
Quotation[3] = "/image/mainimage4.jpg";
Quotation[4] = "/image/mainimage5.jpg";
Quotation[5] = "/image/mainimage6.jpg";
Quotation[6] = "/image/mainimage7.jpg";
Quotation[7] = "/image/mainimage8.jpg";
Quotation[8] = "/image/mainimage9.jpg";
Quotation[9] = "/image/mainimage10.jpg";
Quotation[10] = "/image/mainimage11.jpg";
Quotation[11] = "/image/mainimage12.jpg";
Quotation[12] = "/image/mainimage13.jpg";


var Q = Quotation.length;
var whichQuotation=Math.round(Math.random()*(Q-1));
var imgSrc;
function showQuotation(){
	imgSrc = (Quotation[whichQuotation]);
	document.write('<img src='+imgSrc+'>');}
showQuotation();