function get_session_code()
{
	var url = "http://www.ccdic.org/ywxt/eoa/getCode.jsp";
	var pars = "aid=" ;
	var myAjax = new Ajax.Request(url, {method: "post", parameters: pars, onComplete: function (req) { get_session_code_callback(req ); } });
	
}

function get_session_code_callback(req)
{
	retval = req.responseText;
	//eval("r="+r);
	
	var code = document.getElementById("utilcode");
	
	code.innerText = retval.substring(retval.indexOf(":")+1);
	document.forms[0].sessionid.value = retval.substring(0,retval.indexOf(":"));
	//alert(retval.substring(retval.indexOf(":")+1));
	//alert(document.forms[0].sessionid.value);
	
}