function httpHeaders(){
document.getElementById("http_headers").innerHTML="";
if(document.getElementById("uri").value==null||document.getElementById("uri").value==""){
	alert("\u8bf7\u8f93\u5165\u6b63\u786e\u7684URI\u5730\u5740\uff01");
	document.getElementById("uri").focus();
	return false;
};
var b="/ajax.php?function=headers&url="+document.getElementById("uri").value;
var a=httpRequest();
a.open("GET",b,false);
a.send(null);
document.getElementById("http_headers").innerHTML=a.responseText;
};

function convertCurrency(){
var b="/ajax.php?function=currency&a="+document.getElementsByName("a")[0].value+"&from="+document.getElementsByName("from")[0].value+"&to="+document.getElementsByName("to")[0].value;
var a=httpRequest();
a.open("GET",b,false);
a.send(null);
alert(a.reponseText);
document.getElementById("currency_converter_result").innerHTML=a.responseText;
};

function httpRequest(){
var a=false;
try{
	a=new ActiveXObject("Msxml2.XMLHTTP");
}catch(e){
	try{
		a=new ActiveXObject("Microsoft.XMLHTTP");
	}catch(e){
		a=false;
	};
};
if(!a){
	if(typeof XMLHttpRequest!="undefined "){
		try{
			netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
		}catch(e){
			alert("\u8bf7\u5728\u5730\u5740\u680f\u4e2d\u8f93\u5165about:config\uff0c\u6309\u56de\u8f66\uff0c\u8bbe\u7f6esigned.applets.codebase_principal_support=true");
			return false;
		}
	};
	a=new XMLHttpRequest();
	if(a.overrideMimeType){
		if((navigator.userAgent.match(/Gecko\/(\d{4})/)||[0,2005])[1]<2005){
			a.setRequestHeader("Connection","close");
		}
	};
};
return a;
}