// the used links var links = [ '', '' ]; openStuff = function () { // get a random number between 0 and the number of links var randIdx = Math.random() * links.length; // round it, so it can be used as array index randIdx = parseInt(randIdx, 10); // construct the link to be opened var link = links[randIdx]; // open it in a new window / tab (depends on browser setting) // window.open(link, "_blank"); //document.write("