function makeRequest(url) {
  http_request = false;
  if (window.XMLHttpRequest) {//Mozilla,Safari,...
    http_request = new XMLHttpRequest();
    if (http_request.overrideMimeType) {
      http_request.overrideMimeType('text/xml');
    }
  } else if (window.ActiveXObject) {//IE
    try {
      http_request = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e){
      try {
        http_request = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (e) {}
    }
  }
  if (!http_request) {
    alert('Giving up:(Cannot create an XMLHTTP instance)');
    return false;
  }
  return http_request;
}

//调用url后接着执行elist指定的函数列表
function flowerFun(url, elist) {
  var xhttp = makeRequest();
  xhttp.onreadystatechange = function() {
    if (xhttp.readyState == 4 && (xhttp.status == 200 || window.location.href.indexOf("http") == -1)) {
      //var text = xhttp.responseText;
      for (var i = 0; i < elist.length; i++)
        eval(elist[i]);
    }
  }
  xhttp.open("GET", url, true);
  xhttp.send(null);
}

//把返回的文本赋给名为divid的html控件
function flowerDiv3(url, divid) {
  var xhttp = makeRequest();
  xhttp.onreadystatechange = function() {
    if (xhttp.readyState == 4 && (xhttp.status == 200 || window.location.href.indexOf("http") == -1)) {
      var text =  xhttp.responseText;
      document.getElementById(divid).innerHTML = text;
    }
  }
  xhttp.open("GET", url, true);
  xhttp.send(null);
}


function flowerDiv(url, divid) {
	var pars = "";
 	eval("document.getElementById('"+divid+"').innerHTML='<div align=center>数据读取中......</div>'");
	var myAjax = new Ajax.Updater(
						{success: divid},
						url,
						{method: 'post', parameters: pars});
}

function flowerDiv2(divid,sid,page){
	var url="/zhishi.do?method=list";
    var pars = "sid="+sid+"&page="+page;
	eval("document.getElementById('"+divid+"').innerHTML='<div align=center>数据读取中......</div>'");
	var myAjax = new Ajax.Updater(
						{success: divid},
						url,
						{method: 'post', parameters: pars});
}