function $(A){return document.getElementById(A)}function Scale(B,A){if(B.width>A){B.height=Math.round(((A)/B.width)*B.height);B.width=A;B.title="Preview";B.setAttribute("onclick","Preview(this);")}}function Preview(A){$("lightbox").innerHTML='<a onclick="Return();"><img src="'+A.src+'" /></a>';$("curtain").style.display="block";$("lightbox").style.display="block"}function Return(){$("lightbox").style.display="none";$("curtain").style.display="none";$("lightbox").innerHTML=""};