var ajax = new sack();

function loading(){
	var e = document.getElementById('divImage');
	e.innerHTML = "<img src='images/loading.gif' border='0' alt='' style='vertical-align: middle' />";
}

function doit(pic)
{	
	ajax.setVar("picture", pic); // recomended method of setting data to be parsed.
	ajax.requestFile = "ajax.server.php";
	ajax.method = 'post';
	ajax.element = 'divImage';
	ajax.onLoading = loading;
	ajax.onComplete = loading; 
	//ajax.onInteractive = loading;
	ajax.runAJAX();
}