function VF_login(){
var theForm = document.login;
var userRE1 = new RegExp("((!)|(@)|(#)|(\\$)|(%)|(\\^)|(&)|(\\*))+","g");
var userRE0 = new RegExp("((!)|(@)|(#)|(\\$)|(%)|(\\^)|(&)|(\\*)|(\\()|(\\)))+","g");
var errMsg = "";
var setfocus = "";

if ((theForm['psw'].value == "") || (userRE1.test(theForm['psw'].value)) || (theForm['psw'].value.length < 5 || theForm['psw'].value.length > 20)){
errMsg = "密码不能留空且不能包含特殊字符";
setfocus = "['psw']";
}
if ((theForm['user'].value == "") || (userRE0.test(theForm['user'].value)) || (theForm['user'].value.length < 4 || theForm['user'].value.length > 20)){
errMsg = "用户名不能留空且不能包含特殊字符";
setfocus = "['user']";
}
if (errMsg != ""){
alert(errMsg);
eval("theForm" + setfocus + ".focus()");
}
else theForm.submit();
}

function VF_search(){

var theForm = document.search;
var userRE0 = new RegExp("((请)|(输)|(入)|(关)|(键)|(字))+","g");
var errMsg = "";
var setfocus = "";

if ((theForm['keyword'].value == "") || (userRE0.test(theForm['keyword'].value))){
errMsg = "请输入关键字";
setfocus = "['keyword']";
}
if (errMsg != ""){
alert(errMsg);
eval("theForm" + setfocus + ".focus()");
}
else theForm.submit();
}

function seltextgj(itme)
{
if (itme.value == "请输入关键字")
{
itme.value = "";
}

}