function Jtrim(str)

{



        var i = 0;

        var len = str.length;

        if ( str == "" ) return( str );

        j = len -1;

        flagbegin = true;

        flagend = true;

        while ( flagbegin == true && i< len)

        {

           if ( str.charAt(i) == " " )

                {

                  i=i+1;

                  flagbegin=true;

                }

                else

                {

                        flagbegin=false;

                }

        }



        while  (flagend== true && j>=0)

        {

            if (str.charAt(j)==" ")

                {

                        j=j-1;

                        flagend=true;

                }

                else

                {

                        flagend=false;

                }

        }



        if ( i > j ) return ("")



        trimstr = str.substring(i,j+1);

        return trimstr;

}



function Checklogin(form) {

        if (Jtrim(document.form.loginname.value)=='') {

                window.alert ("请输入您的用户名 ！")

		form.loginname.focus();

                return false

        }

        if (Jtrim(document.form.password.value)=='') {

                window.alert ("请输入您的密码!")

		form.password.focus();

                return false

        }



        return true

}



function RCheck(form)

{



 var objv = form.username.value;

 var pattern = /^[A-Za-z0-9_]{6,15}$/;

      flag = pattern.test(objv);

      if(!flag) {

        alert("帐号未输入或输入错误！");

        form.user.focus();

        return (false);

      }



if(form.password1.value!=form.password2.value) {

           alert("确认密码：密码不匹配；");

	   form.password1.focus();

           return (false);

      }

      

var objv = form.password1.value;

var pattern = /^[^\ ^\"^\'.]{6,20}$/;

      flag = pattern.test(objv);

      if(!flag) {

           alert("密码输入有误！");

	   form.password1.focus();

           return (false);

      }

 

if (Jtrim(form.email.value)=="")

{ 

  alert("E-mail未输入！");

  form.email.focus();

  return (false);

}





var objv = form.email.value;

var pattern = /^([a-zA-Z0-9_-])+(\.)*([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;

if (Jtrim(form.email.value)!="")

 {

 flag = pattern.test(objv);

 if (!flag) {

        alert("\n E - Mail：格式不正确！！");

              form.email.focus();

               return (false);

            }

    return(true); 

  }



  nConfirm=confirm("确认新增吗?");

  if (!nConfirm)

  {return (false);}

  return (true);

}





function FormDataCheck(form)

{    

if (form.name.value=="")

{ 

  alert("姓名未输入！");

  form.name.focus();

  return (false);

}



if (form.sex.value=="")

{	

  alert("性别未输入！");

  form.sex.focus();

  return (false);

}



var objv = form.nianling.value;

var pattern = /^[1-2][0-9][0-9][0-9]-[0-1]{0,1}[0-9]-[0-3]{0,1}[0-9]$/;

      flag = pattern.test(objv);

      if(!flag) {

        alert("出生日期格式不正确！");

        form.nianling.focus();

        return (false);

      }



var objv = form.shengao.value;

var pattern = /^[1-2][0-9][0-9]$/;

      if(!pattern.test(objv)) {

	alert("身高输入错误！");

	form.shengao.focus();

	return (false);

      }



var objv = form.shenfenzheng.value;

var pattern = /^[0-9]{15}$/;

var pattern1 = /^[0-9]{18}$/;

      if (objv != "") {

      flag = pattern.test(objv);

      flag1 = pattern1.test(objv);

      if((!flag)&&(!flag1)) {

        alert("身份证号输入错误！");

        form.shenfenzheng.focus();

        return (false);

        }

      }



var objv = form.ruxueshijian.value;

var pattern = /^[1-2][0-9][0-9][0-9]-[0-1]{0,1}[0-9]-[0-3]{0,1}[0-9]$/;

      flag = pattern.test(objv);

      if(!flag) {

        alert("入学时间格式不正确！");

        form.ruxueshijian.focus();

        return (false);

      }



var objv = form.biyeshijian.value;

var pattern = /^[1-2][0-9][0-9][0-9]-[0-1]{0,1}[0-9]-[0-3]{0,1}[0-9]$/;

      flag = pattern.test(objv);

      if(!flag) {

        alert("毕业时间格式不正确！");

        form.biyeshijian.focus();

        return (false);

      }

if (form.biyeyuanxiao.value=="")

{

  alert("毕业院校不能为空");

  form.biyeyuanxiao.focus();

  return (false);

}



if (form.yuzhiye.value=="")

{alert("欲从事专业未输入！");

  form.yuzhiye.focus();

return (false);}



if (form.dianhua.value=="")

{alert("联系电话未输入！");

  form.dianhua.focus();

return (false);}

var objv = form.email.value;

var pattern = /^([a-zA-Z0-9_-])+(\.)*([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;

if (form.email.value!="")

 {

 flag = pattern.test(objv);

 if (!flag) {

        alert("\n E - Mail：格式不正确！！");

              form.email.focus();

               return (false);

            }

    return(true); 

  }









if ((form.youbian.value=="")&&(!(form.tongxundizhi.value=="")))

  {alert("邮编不能为空");

	   form.youbian.focus();

  return (false);}



if ((!(form.youbian.value==""))&&(form.tongxundizhi.value==""))

  {alert("通讯地址不能为空");

	   form.tongxundizhi.focus();

  return (false);}



  nConfirm=confirm("确认新增吗?");

  if (!nConfirm)

  {return (false);}

  return (true);

}