function setInnerHTML(id, html)
{ if (document.all) 
	document.all[id].innerHTML = html; 
  else if (document.getElementById) 
  	document.getElementById(id).innerHTML = html; 
}
function show() {
	document.getElementById('divLoad').style.display =""; 
	setTimeout('document.images["pbar"].src="IMG/Loading.gif"', 100); 
}
<!-- Begin

image1 = new Image();
image1.src = "IMG/Loading.gif";

// End -->