document.body.onload = cols();
function cols()
{
var col = new Array();
var cont = document.getElementById('img_list');
if(!cont) return;
var n = Math.floor((cont.offsetWidth - 8) / 244);
var h = new Array(n);
for(var i = 0; i < n; i++)
{
	cont.appendChild(col[i] = document.createElement('div'));
	h[i] = 0;
}

var shortest = 0;
var imgcont = document.getElementById('img_bin');
var el;
while (el = imgcont.childNodes[0])
{
	h[shortest] += Number(el.childNodes[0].getAttribute('height'));
	col[shortest].appendChild(el);
	
	for(var j = 0; j < n; j++) if(h[j] < h[shortest]) shortest = j;
}
}