if(screen.width > 800){
var screenad=screen.width-135;
document.write('<DIV ID="Layer_ad" STYLE="position:absolute; width:110; height:280; z-index:1; left: 0px; top: 140px"><a href=contact.htm target=_blank><img src=images/yepsen2.jpg WIDTH=110 HEIGHT=280 border=0></a></DIV>');
document.write('<DIV ID="Layer_ad" STYLE="position:absolute; width:110; height:280; z-index:1; left: '+screenad+'px; top: 140px"><a href=index.htm target=_blank><img src=images/yepsen.jpg WIDTH=110 HEIGHT=280 border=0></a></DIV>');
}