//$(".pic_li img").each(function() { this.onload = this.onerror = loadimg; });
function loadimg(obj) {
debugger;
    var imgwidth = 122;
    var imgheight = 102;
    var padding_v = imgheight / 2 - obj.height / 2 + "px";
    var padding_h = imgwidth / 2 - obj.width / 2;    
    obj.style.paddingTop = padding_v;
    obj.style.paddingBottom = padding_v;
    obj.style.paddingLeft = padding_h;
    obj.style.paddingRight = padding_h;
}