<!--[if IE]><script type="text/javascript" src="excanvas.js"></script><![endif]-->

confetti.Context = function(parent) {
        var i = 0;
        var canvasParent = document.getElementById(parent);
        var canvas = document.createElement('canvas');
        canvas.width = canvasParent.offsetWidth;
        canvas.height = canvasParent.offsetHeight;
        canvasParent.appendChild(canvas);
        var context = canvas.getContext('2d');  // ERROR HAPPENS HERE