<script language="javascript">    var native_random = Math.random;Math.random = function(min, max, exact) {    if (arguments.length === 0)     {        return native_random();    }     else if (arguments.length === 1)     {        max = min;        min = 0;    }    var range = min + (native_random()*(max - min));    return exact === void(0) ? Math.round(range) : range.toFixed(exact);};document.write(Math.random());document.write(‘<br />‘);document.write(Math.random(10));document.write(‘<br />‘);document.write(Math.random(3,10));document.write(‘<br />‘);document.write(Math.random(2,10,4));</script>