vk-widget-resize.js

var activateVkWidget = function() {
    VK.Widgets.Group("vk_groups", {
        mode: 0,
        width: "auto",
        height: "247",
        color1: 'FFFFFF',
        color2: '2B587A',
        color3: '5B7FA6'
    }, {{ config('widget_vk') }});
};
activateVkWidget();
window.onresize = function(){
    var widget = document.getElementById('vk_groups');
    while (widget.hasChildNodes()) {
        widget.removeChild(widget.lastChild);
    }
    activateVkWidget();
}