var xmlHttp

function GetXmlHttpObject(handler)
{ 
	var objXmlHttp=null

	if (navigator.userAgent.indexOf("Opera")>=0)
	{
		alert("This example doesn't work in Opera") 
		return; 
	}
	if (navigator.userAgent.indexOf("MSIE")>=0)
	{ 
		var strName="Msxml2.XMLHTTP"
		if (navigator.appVersion.indexOf("MSIE 5.5")>=0)
		{
			strName="Microsoft.XMLHTTP"
		} 

		try
		{ 
			objXmlHttp=new ActiveXObject(strName)
			objXmlHttp.onreadystatechange=handler 
			return objXmlHttp
		} 
		catch(e)
		{ 
			alert("Error. Scripting for ActiveX might be disabled") 
			return 
		} 
	} 
	if (navigator.userAgent.indexOf("Mozilla")>=0)
	{
		objXmlHttp=new XMLHttpRequest()
		objXmlHttp.onload=handler
		objXmlHttp.onerror=handler 
		return objXmlHttp
	}
} 

function GetMemAccount(str,alertbox)
{ 
	if (str.length > 0)
	{ 
		AlertMsg(alertbox,"验证企业帐号...");
		var url="gethttp.aspx?getflag=memaccount&getstr=" + str
		xmlHttp=GetXmlHttpObject(GetMemAccountDeal)
		xmlHttp.open("GET", url , true)
		xmlHttp.send(null)
	} 
	else
	{ 
		ErrorMsg(alertbox,"验证出错...");
	} 
} 

function GetMemAccountDeal() 
{
    if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{
	    if (xmlHttp.responseText =="")
		{
            PassMsg("memaccountmsg",xmlHttp.responseText+"还没有人使用，校验通过");
	        checkmemarray[0]="0";
	    }
	    else
	    {
	        ErrorMsg("memaccountmsg",xmlHttp.responseText+"已经被使用，请重新输入");
			checkmemarray[0]="1";
			return false;
	    }
	}
	else
	{
	    checkmemarray[0]="1";
		return false;
	}
	return true;
} 

function GetMemEmail(str,alertbox)
{ 
	if (str.length > 0)
	{ 
		AlertMsg(alertbox,"验证邮箱...");
		var url="gethttp.aspx?getflag=mememail&getstr=" + str
		xmlHttp=GetXmlHttpObject(GetMemEmailDeal)
		xmlHttp.open("GET", url , true)
		xmlHttp.send(null)
	} 
	else
	{ 
		ErrorMsg(alertbox,"验证出错...");
	} 
} 

function GetMemEmailDeal() 
{
    if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{
	    if (xmlHttp.responseText =="")
		{
            PassMsg("mememailmsg",xmlHttp.responseText+"还没有人使用，校验通过");
	        checkmemarray[3]="0";
	    }
	    else
	    {
	        ErrorMsg("mememailmsg",xmlHttp.responseText+"已经被使用，请重新输入");
			checkmemarray[3]="1";
			return false;
	    }
	}
	else
	{
	    checkmemarray[3]="1";
		return false;
	}
	return true;
}