rnd.today=new Date();        rnd.seed=rnd.today.getTime();        function rnd()        {        rnd.seed = (rnd.seed*9301+49297) % 233280;        return rnd.seed/(233280.0);        };        function rand(number)        {        return Math.ceil(rnd()*number);        };        var number=rand(2)-1        if (number == 0) {        document.write("<div align=center><a href=http://www.tjobs.com/virtualxpwy.shtml target=_blank>")        document.write("<img src=http://www.tjobs.com/GIFs/vxpwy.jpg alt=\"virtual expressway\" border=0></a></div>")}if (number == 1) {        document.write("<div align=center><a href=http://www.tjobs.com/skilltstfrmst.shtml target=_blank>")        document.write("<img src=http://www.tjobs.com/GIFs/manyskills.gif alt=\"brainbench certification\" border=0></a></div>")}