function $(id) {if (document.getElementById) {return document.getElementById(id);} else if (document.all) {return document.all[id];} else if (document.layers) {return document.layers[id];} else {return null;}}
function getCookieVal (offset){var endstr = document.cookie.indexOf (";", offset);if (endstr == -1){endstr = document.cookie.length;}return unescape(document.cookie.substring(offset, endstr));}
function Get_Cookie (name){var arg = name + "=";var alen = arg.length;var clen = document.cookie.length;var i = 0;while (i < clen) {var j = i + alen;if (document.cookie.substring(i, j) == arg)return getCookieVal (j);i = document.cookie.indexOf(" ", i) + 1;if (i == 0) break; }return null;}
function Set_Cookie (name, value){var argv = Set_Cookie.arguments;var argc = Set_Cookie.arguments.length;var expires = (argc > 2) ? argv[2] : null;var path = (argc > 3) ? argv[3] : null;var domain = (argc > 4) ? argv[4] : null;var secure = (argc > 5) ? argv[5] : false;document.cookie = name + "=" + escape (value) + ((secure == true) ? "; secure" : "");}
/* ajax request public function */
var Ajax={xmlhttp:function(){try{return new ActiveXObject('Msxml2.XMLHTTP');}catch(e){try{return new ActiveXObject('Microsoft.XMLHTTP');}catch(e){return new XMLHttpRequest();}}}};
Ajax.Request=function(){if (arguments.length<2) return;var _p={asynchronous:true,method:"GET",parameters:""};for (var key in arguments[1]){_p[key]=arguments[1][key];}var _x=Ajax.xmlhttp();var _url=arguments[0];if(_p["parameters"].length>0) _p["parameters"] += '&_=';if(_p["method"].toUpperCase()=="GET")_url += (_url.match(/\?/) ? '&' : '?') + _p["parameters"];_x.open(_p["method"],_url,_p["asynchronous"]);_x.onreadystatechange = function(){if (_x.readyState==4){if(_x.status==200){_p["onComplete"]?_p["onComplete"](_x):"";}else{_p["onError"]?_p["onError"](_x):"";}}}
_x.setRequestHeader("If-Modified-Since","0");
if(_p["method"].toUpperCase()=="POST")_x.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
_x.send(_p["method"].toUpperCase()=="POST" ? _p["parameters"] : null);};//

//二级下拉菜单XML
function GetChild(Stp,ID,Obj){
	var myAjax = new Ajax.Request(
	"../ajx_select.asp",
	{
		method:"get",
		parameters:"tp="+Stp+"&str="+ID,
		onComplete:function(xmlhttp){
			BuildSel(unescape(xmlhttp.responseText),Obj);
		}
	}
	);
}
//根据GetResult(Stp,ID)函数构建新的Select
function BuildSel(str,sel){
	//清空原数据.
	sel.options.length=0;
	var arrstr = new Array();
	var arrstr2 = new Array();
	arrstr = str.split(",");

	for(var i=0;i<arrstr.length;i++){
		arrstr2 = arrstr[i].split("|");
		sel.options[sel.options.length]=new Option(arrstr2[1],arrstr2[0])
	}
}
function warp(){
	if ($("selxx").value==""){
		alert("请先选择一个学校");
		$("selxx").focus();
	}else{
		window.open("../School/default.asp?acode="+escape($("selxx").value));
	}
}
//设置字体大小
function setfont(a){
	$("icontent").style.fontSize=a;
}
//搜索
function mgs(key){
	if (key=="→请输入关键字..."){
		$("keyword").value="";
	}
}
function cksearch(url){
	var key=$("keyword").value;
	if (key==""||key=="→请输入关键字..."){
		alert("请输入要检索的关键字！");
		$("keyword").value="";
		$("keyword").focus();
	}else{
		location.href=url+"&keyword="+escape(key);
	}
	return false;
}
//首页搜索
var LocString=String(window.document.location.href);
function GetQueryString(str){
	var rs=new RegExp("(^|)"+str+"=([^\&]*)(\&|$)","gi").exec(LocString),tmp;
	if(tmp=rs)return tmp[2];
	return "没有这个参数";
}
var acode=GetQueryString("acode");

function $(id) {if (document.getElementById) {return document.getElementById(id);} else if (document.all) {return document.all[id];} else if (document.layers) {return document.layers[id];} else {return null;}}

function selsch(vol){
    if (vol==""){vol=1;}
    for (var i=1;i<=4;i++){
        if (parseInt(vol)==i){
            $("s"+i).className="act";
            $("getvol").value=vol;
        }else{
            $("s"+i).className="inact";
        }
    }
	switch($("getvol").value){
	   case "2":
		 $("keyword").value="请输入学校名称...";
		 break;
	   case "3":
		 $("keyword").value="请输入实验名称...";
		 break;
	   case "4":
		 $("keyword").value="请输入仪器名称...";
		 break;
	   default:
		 $("keyword").value="请输入实验名称...";
	}
}
function clkey(){
    if ($("keyword").value=="请输入实验名称..."||$("keyword").value=="请输入学校名称..."||$("keyword").value=="请输入仪器名称..."){
        $("keyword").value="";
    }
}
function ck(acode){
    if ($("keyword").value=="请输入实验名称..."||$("keyword").value=="请输入学校名称..."||$("keyword").value=="请输入仪器名称..."||$("keyword").value==""){
        alert("请输入关键字");
        return false;
    }else{
        switch($("getvol").value){
           case "2":
             $("f1").action="schoollist.asp?acode="+acode+"&keyword="+escape($("keyword").value);
             break;
           case "3":
             $("f1").action="exlist.asp?acode="+acode+"&keyword="+escape($("keyword").value);
             break;
           case "4":
             $("f1").action="yqlist.asp?acode="+acode+"&keyword="+escape($("keyword").value);
             break;
           default:
             $("f1").action="tzdlist.asp?acode="+acode+"&keyword="+escape($("keyword").value);
        }

    }
}
//登陆
function cklog(){
	if ($("loginuser").value==""||$("loginpwd").value==""){
		alert("请输入您的用户名及密码！");
		$("loginuser").focus();
	}else{
		var myAjax = new Ajax.Request(
		"../ajx_login.asp",
		{
			method:"get",
			parameters:"a=log&u="+escape($("loginuser").value)+"&p="+$("loginpwd").value,
			onComplete:function(xmlhttp){
				var rep=xmlhttp.responseText;
				switch(rep){
					case "unsetup":
					alert("软件尚未授权，请点确定后使用超管帐户登录并授权！");
					location.href="../../default.aspx";
					return false;
					break;
					case "unregist":
					alert("软件已过期,请重新注册！");
					location.href="../../default.aspx";
					return false;
					break;
					case "nopower":
					alert("您的帐户尚未设置权限,请先设置后再登陆！");
					$("loginpwd").value="";
					return false;
					break;
					case "error":
					alert("该用户不存在或密码错误！");
					$("loginpwd").value="";
					$("loginuser").focus();
					return false;
					break;
					default:
					$("scontent").innerHTML=rep;
					return false;
				}
			}
		}
		);
	}
	return false;
}
//注销
function logout(){
	var myAjax = new Ajax.Request(
	"../ajx_login.asp",
	{
		method:"get",
		parameters:"a=out",
		onComplete:function(xmlhttp){
			var rep=xmlhttp.responseText;
			if (rep=="error"){
				alert("执行操作时出现错误，请检查Session设置");
				return false;
			}else{
				alert("您已安全退出！");
				$("scontent").innerHTML=rep;
				return false;
			}
		}
	}
	);
}

function selsy(vol){
    if (vol==""){vol=1;}
    for (var i=1;i<=3;i++){
        if (parseInt(vol)==i){
            $("ss"+i).className="actx";
            $("a"+i).style.display="block";
        }else{
            $("ss"+i).className="inactx";
            $("a"+i).style.display="none";
        }
    }
}