Run IE, Run!

gistfile1.js

    $(function() {
      var minDist = 100;
      var target = document.getElementById('volatile');
      
      if (target == null)
        return;
      
      target.style.position = "relative";
      target.style.left = target.style.left || "0px";
      target.style.top = target.style.top || "0px";
      
      var getPosition = function(obj) {
        var xlocation = parseInt(obj.offsetLeft);
        var ylocation = parseInt(obj.offsetTop);

        while (obj.parent) {
          obj = obj.parent;
          xlocation = xlocation + parseInt(obj.offsetLeft);
          ylocation = ylocation + parseInt(obj.offsetTop);
        }
        return { x: xlocation, y: ylocation, width: obj.offsetWidth, height: obj.offsetHeight };
      };
      
      document.onmousemove = function(e) {
        var p = getPosition(target);
        var px = p.x + p.width / 2;
        var py = p.y + p.height / 2;
        var mx = e.pageX;
        var my = e.pageY;
        var dist = Math.sqrt((px - mx) * (px - mx) + (py - my) * (py - my));
        
        if (dist < minDist) {
          var factor = (minDist - dist) / minDist;
          var dx = parseInt((px - mx) * factor);
          var dy = parseInt((py - my) * factor);

          target.style.left = (parseInt(target.style.left) + dx) + "px";
          target.style.top = (parseInt(target.style.top) + dy) + "px";
        }
      }
    });