function getClientWidth()
{
  return document.compatMode=='CSS1Compat' && !window.opera?document.documentElement.clientWidth:document.body.clientWidth;
}

function size() {
	if(getClientWidth() > 1280) {
		width = getClientWidth()-((getClientWidth()-1280)+430);
	} else {
		width = getClientWidth()-430;
	}
	document.getElementById('mainfoto').style.width = width;
}
onload=size;
//size();
onresize=size;