//李金涛
//$Id: ajax.js,v 1.1 2006/12/13 01:18:36 ljt Exp $
//ajax函数
var xmlreq = false;
function newXMLHttpRequest() {

if (window.XMLHttpRequest) {
// 在非Microsoft浏览器中创建XMLHttpRequest对象
xmlreq = new XMLHttpRequest();
} 
else if (window.ActiveXObject) 
{
	//通过MS ActiveX创建XMLHttpRequest
	try {
	// 尝试按新版InternetExplorer方法创建
	xmlreq = new ActiveXObject("Msxml2.XMLHTTP");
	} 
	catch (e1) 
	  {
		// 创建请求的ActiveX对象失败
		try {
		// 尝试按老版InternetExplorer方法创建
		xmlreq = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (e2) {
		// 不能通过ActiveX创建XMLHttpRequest
		}
	  }
}
return xmlreq;
}

function getFormSendData(formName)
{
	var formData = '', elem = '';
	var f=document.forms[formName];
	for(var xh=0; xh<f.elements.length;xh++)
	{
		elem = f.elements[xh];
		if(formData != '')
		{
			formData += '&';
		}
		//sendDataEachValue=encodeURI(elem.value);
		//sendDataEachValue=encodeURI(sendDataEachValue);
		//formData += elem.name+"="+(sendDataEachValue);
		sendDataEachValue=encodeURIComponent(elem.value);
		sendDataEachValue=encodeURIComponent(sendDataEachValue);
		formData += elem.name+"="+(sendDataEachValue);
	}
	return formData

}