clienthint.js

ＵＣlinux下的嵌入式ＷＥＢ服务器

var xmlHttp

function showLED(str)
{ 
var url="ajax"+ str
xmlHttp=GetXmlHttpObject(LEDstateChanged)
xmlHttp.open("GET", url , true)
xmlHttp.send(null)

} 

function LEDstateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
{ 
	if(xmlHttp.responseText=="1")
	document.getElementByID("LED").innerHTML="<img src='src/led1.gif'>"
	if(xmlHttp.responseText=="0")
	document.getElementByID("LED").innerHTML="<img src='src/led0.gif'>"
} 
} 
function showTIME(str)
{ 
var url="ajax"+ str
xmlHttp=GetXmlHttpObject(TIMEstateChanged)
xmlHttp.open("GET", url , true)
xmlHttp.send(null)

} 

function TIMEstateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
{ 
	document.getElementById("txtTIME").innerHTML=xmlHttp.responseText 
} 
} 

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
	}
}