function showdrawing(image) {
var a = document.getElementById("drawing"+image+"");
var f = new Array()
f[1] = "http://www.noshuteye.com/work/drawings/drawing01.jpg";
f[2] = "http://www.noshuteye.com/work/drawings/drawing02.jpg";
f[3] = "http://www.noshuteye.com/work/drawings/drawing03.jpg";
var url = f[image];
a.setAttribute('href', url);
myLightbox.start(a);
}