function user() {
	var userName = document.getElementById("userName").value;
	var url = document.URL;
	var userHTML = "";
	if(userName=="guest") {
		userHTML += "<a href='" + ccServiceWWWCenterUser + "/login.jsp?d="+url+"'/>";
		userHTML +="<img src='/images/botn_index01.gif' alt='' width='65' height='21' border='0' /></a>" +
				"<a href='" + ccServiceWWWCenterUser + "/reg.jsp?d="+url+"'><img src='/images/botn_index02.gif' alt='' width='65' height='21' border='0' />";
		userHTML +="</a>";
	}
	if(userName!="guest") {
		userHTML +="\u4f60\u597d!&nbsp;"+userName+"&nbsp;\u6b22\u8fce\u6765\u5230\u52a8\u6f2b\u4e16\u7eaa"
		userHTML +="<a href='" + ccServiceWWWCenterUser + "/logout/?d="+url+"'><img src='/images/botn_quit.gif' title='\u9000\u51fa' width='65' height='21' border='0' /></a>";
		
	}
	document.getElementById("headerbotn").innerHTML=userHTML;
}