var lastGameUserName = "";
function checkGameUserName() {
	var GameUserName = ""+document.getElementById("UserName").value;
    if (GameUserName.length<6) {
        document.getElementById("check_username_info").innerHTML="帐号名最短得有6位！";
   	    document.getElementById("check_username_info").className = "WarningMsg";
		return false;
	}

	if (GameUserName == lastGameUserName) {
		return false;
	}
	try
	{
	    document.forms[0].ForCheckUserName.value = GameUserName;
	    lastGameUserName=GameUserName;
	    document.getElementById("check_username_info").innerHTML = "检测中，请稍等...";
	    document.getElementById("check_username_info").className = "WarningMsg";
	    document.forms[0].submit();
    }
    catch(ex){alert("ddd"+ex);}
	return true;
}
function setDisplay(ID)
{
    obj=document.getElementById(ID);
    if(obj.style.display=="block")
    {
        obj.style.display="none";
        return;
    }
    obj.style.display="block";
}
String.prototype.trim = function()
{
    return this.replace(/(^\s*)|(\s*$)/g, "");
}