function onKeyPress () {
var keycode;
if (window.event) keycode = window.event.keyCode;
else if (e) keycode = e.which;
else return true;
if (keycode == 13) {
CallJS('B1()')
}
return true 
}
document.onkeypress = onKeyPress;



<!-- Begin
var _progressBar = new String("");
var _progressEnd = 5;
var _progressAt = 0;
var _progressWidth = 100;	// Display width of progress bar

// Create and display the progress dialog.
// end: The number of steps to completion
function ProgressCreate(end) {
	// Initialize state variables
	_progressEnd = end;
	_progressAt = 0;

	// Move layer to center of window to show
	if (document.all) {	// Internet Explorer
		progress.className = 'show';
		progress.style.left = (document.body.clientWidth/2) - (progress.offsetWidth/2);
		progress.style.top = (document.body.clientHeight/2) - (progress.offsetHeight/2);
	} else if (document.layers) {	// Netscape
		document.progress.visibility = true;
		document.progress.left = (window.innerWidth/2) - 100;
		document.progress.top = (window.innerHeight/2) - 40;
	}

	ProgressUpdate();	// Initialize bar
}

// Hide the progress layer
function ProgressDestroy() {
	// Move off screen to hide
	if (document.all) {	// Internet Explorer
		progress.className = 'hide';
	} else if (document.layers) {	// Netscape
		document.progress.visibility = false;
	}
}

// Increment the progress dialog one step
function ProgressStepIt() {
	_progressAt++;
	if(_progressAt > _progressEnd) _progressAt = _progressAt % _progressEnd;
	ProgressUpdate();
}

// Update the progress dialog with the current state
function ProgressUpdate() {
	var n = (_progressWidth / _progressEnd) * _progressAt;
	if (document.all) {	// Internet Explorer
		var bar = dialog.bar;
 	} else if (document.layers) {	// Netscape
		var bar = document.layers["progress"].document.forms["dialog"].bar;
		n = n * 0.55;	// characters are larger
	}
	var temp = _progressBar.substring(0, n);
	bar.value = temp;
}

// Demonstrate a use of the progress dialog.
function B1() {
	ProgressCreate(10);
	window.setTimeout("Click()", 100);
}

function Click() {
	if(_progressAt >= _progressEnd) {
		ProgressStepIt();
		
	}
	ProgressStepIt();
	window.setTimeout("Click()", 400);
}

function CallJS(jsStr) { //v2.0
  return eval(jsStr)
}
//  End -->



<!-- Begin
// Create layer for progress dialog
document.write("<span id=\"progress\" class=\"hide\">");
	document.write("<FORM name=dialog>");
	document.write("<TABLE border=0  bgcolor=\"#FFFFFF\">");
	document.write("<TR><TD ALIGN=\"center\">");
	document.write("Searching...<BR>");
	document.write("<input type=text name=\"bar\" size=\"" + _progressWidth/2 + "\"");
	if(document.all) 	// Microsoft
		document.write(" bar.style=\"color:navy;\">");
	else	// Netscape
		document.write(">");
	document.write("</TD></TR>");
	document.write("</TABLE>");
	document.write("</FORM>");
document.write("</span>");
ProgressDestroy();	// Hides
//  End -->