var userNameExist=0;

//验证用户名
function checkUserName()
{
	var usernameobj = document.getElementById("username");
	var source = "";
	
	document.getElementById("username_info").innerHTML="正在核实...";
	
	regjs.regUserNameCheck(	document.getElementById("username").value,source,
							checkUserName2=function checkUserName2(data) {
												var result = data;
												if (result=="0"){
													document.getElementById("username_info").innerHTML="<span style='margin-left:20px;'>恭喜您，此账号尚未被注册。</span>";
													userNameExist=0;
												}else if(result=="1"){
													document.getElementById("username_info").innerHTML="<span style='margin-left:20px;'>此账号已被注册。</span>";
													userNameExist=1;
												}else{
													document.getElementById("username_info").innerHTML="<span style='margin-left:20px;'>服务器通讯失败。错误代码: </span>"+result;
												}
											}
						);
}

function RefreshIframe(){
	parent.TuneHeight('FM_contant','FM_contantId');
}