function chessboards() {
document.write('<div style="border:2px dashed #000000; position: absolute; width: 370px; height: 400px; z-index: 1; left: 605px; padding: 2px; top: 280px" id="layer1"><img border="0" src="http://store.shop72.com/lib/cc2000/chessbords.jpg" width="368" height="400"></div>'); 
}