var windowsizeoldonload = window.onload;
window.onload = function()
{
	if(windowsizeoldonload)
		windowsizeoldonload();
	checkSize();
	window.onresize = checkSize;
}

function checkSize() {
	if(document.getElementById('foto'))
		document.getElementById('foto').style.display = (window.innerHeight && window.innerHeight < 600) || (document.body && document.body.offsetHeight < 600) ? 'none' : 'block';
}