i need to implement prograss bar while uploding images. i have one jsp page called uploadphotos, i have one link this <label><a href="#" onclick="imageUploader1.Send();return false;">Upload Photos</a></label></div>

if i need to implement what steps i need to follow.

i had tried like

i had set

1. iu.addParam("SilentMode","true");

2 .i had paste some javascript

function ImageUploader_Progress(Status, Progress, ValueMax, Value, StatusText) {
//Max width of progress bar
var progresBarWidth = 200;
var progresBar = document.getElementById("ProgressBar");
var progresBarText = document.getElementById("ProgressBarText");
switch(Status)
{
case "START":
//Show progress bar
progresBar.style.display = "block";
progresBarText.style.display = "block";
//Set width of progress bar to 0px
progresBar.style.width = "0px";
break;
case "PREPARE":
//Show preparing progress
progresBarText.innerText = Status + " " + Math.round(Value/ValueMax*100) + "%";
//Set width of progress bar
progresBar.style.width = Math.round(Value/ValueMax*progresBarWidth) + "px";
break;
case "UPLOAD":
//Show uploading progress
progresBarText.innerText = Status + " " + Math.round(Value/ValueMax*100) + "%";
//Set width of progress bar
progresBar.style.width = Math.round(Value/ValueMax*progresBarWidth) + "px";
break;
case "COMPLETE":
//Hide progress bar
progresBar.style.display = "none";
progresBarText.style.display = "none";
//Show custom message
alert("All images were successfully uploaded.");
//Redirect to galery.asp page when upload process is completed
//window.location.replace('gallery.asp');
break;
case "CANCEL":
//Hide progress bar
progresBar.style.display = "none";
progresBarText.style.display = "none";
//Show custom message
alert("Uploading were canceled.");
break;
case "ERROR":
//Hide progress bar
progresBar.style.display = "none";
progresBarText.style.display = "none";
//Show custom message
alert("Error arrised during uploading.");
break;
}
}
</script>

to run progress bar from where i should call that function

please give details steps to implement progress bar.