function thumbImg(obj, method) {
	if(!obj) {
		return;
	}
	obj.onload = null;
	file = obj.src;
	zw = obj.offsetWidth;
	zh = obj.offsetHeight;
	if(zw < 2) {
		if(!obj.id) {
			obj.id = 'img_' + Math.random();
		}
		setTimeout("thumbImg($('" + obj.id + "'), " + method + ")", 100);
		return;
	}
	zr = zw / zh;
	method = !method ? 0 : 1;
	if(method) {
		fixw = obj.getAttribute('_width');
		fixh = obj.getAttribute('_height');
		if(zw > fixw) {
			zw = fixw;
			zh = zw / zr;
		}
		if(zh > fixh) {
			zh = fixh;
			zw = zh * zr;
		}
	} else {
		var widthary = imagemaxwidth.split('%');
		if(widthary.length > 1) {
			fixw = $('wrap').clientWidth - 200;
			if(widthary[0]) {				
				fixw = fixw * widthary[0] / 100;				
			} else if(widthary[1]) {
				fixw = fixw < widthary[1] ? fixw : widthary[1];					
			}
		} else {
			fixw = widthary[0];
		}
		if(zw > fixw) {
			zw = fixw;
			zh = zw / zr;
			//obj.style.cursor = 'pointer';
			if(!obj.onclick) {
				obj.onclick = function() {
					//zoom(obj, obj.src);
				}
			}
		}
	}
	obj.width = zw;
	obj.height = zh;
}