var baseurl = 'Http://www.cologuys.com/blankimg.php';

var imgcontrol = new Image;
var imgisloaded = false;
var maximgloads = "300";
var cwo = false;


function tupdate()
{
     if (maximgloads < 0)
        return;

     maximgloads--;

     doloadimage();

     setTimeout('tupdate()', 3000);
} 
   
function doloadimage()
{
         
         var u = 'http://www.cologuys.com/blankimg.php' + '?' +
                                        'c=update' +
                                        '&pageid=3' +
                                        '&department=3';
         imgcontrol.src = u;
         imgisloaded = true;

} 


setTimeout('tupdate()', 1000);