var hcControlImage;
var hcIsImage = false;
var hcCounter = 0;
var hcTimeout = 5;
var hcSendCounter = 0;
var hcCmd = "startPage";
function hcgo()
{
hcloop();
}

function hcDate()
{
var d = new Date();
return d.getTime();
}

function hcloop()
{
if (hcTimeout < 0)
return;
if (hcCounter == 0) {
hcSendRequest();
hcCounter = (hcCounter + 1) % hcTimeout;
setTimeout('hcloop()', 1000);
}
}


function hcSendRequest()
{
hcSendCounter++;
if (hcSendCounter == 5)
hcIsImage = false;
if (! hcIsImage) {
hcControlImage= new Image;
OnlineImage= new Image;
var u = 'blank.gif'; 
hcControlImage.src = u;

hcIsImage = true;
hcSendCounter = 0;
}
}

hcgo();