Google Print right click enabling

From ScottWiki

var cleardots = document.evaluate("//img[@src='images/cleardot.gif']", document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
var cleardot, i, div, theimg;
for(cleardot = null, i = 0; (cleardot = cleardots.snapshotItem(i)); i++) {
   div = cleardot.parentNode;
   if (div.nodeName != "DIV") {
       div = div.parentNode;
   }
   theimg = document.defaultView.getComputedStyle(div, ).backgroundImage;
   theimg = theimg.replace(/url\((.*?)\)/g, "$1");
   cleardot.style.border = "none";
   cleardot.src = theimg;
}        
document.oncontextmenu = null;