function dlCheck()
 {
     if(document.getElementById("CUserID")!=null){
         if(fTrim(document.getElementById("CUserID").value)==""){
             confirm("用户名不能为空！！");
             document.getElementById("CUserID").focus();
             return false;
         }
     }
     if(document.getElementById("CPassword")!=null){
         if(fTrim(document.getElementById("CPassword").value)==""){
             confirm("密码不能为空！！");
             document.getElementById("CPassword").focus();
             return false;
         }
     }
     if(document.getElementById("Checkword")!=null){
        if(fTrim(document.getElementById("Checkword").value)==""){
            confirm("验证码不能为空！！");
            document.getElementById("Checkword").focus();
            return false;
        }
     }
     
        if(document.getElementById("User_Login1_CUserID")!=null){
         if(fTrim(document.getElementById("User_Login1_CUserID").value)==""){
             confirm("用户名不能为空！！");
             document.getElementById("User_Login1_CUserID").focus();
             return false;
         }
     }
     if(document.getElementById("User_Login1_CPassword")!=null){
         if(fTrim(document.getElementById("User_Login1_CPassword").value)==""){
             confirm("密码不能为空！！");
             document.getElementById("User_Login1_CPassword").focus();
             return false;
         }
     }
     if(document.getElementById("User_Login1_Checkword")!=null){
        if(fTrim(document.getElementById("User_Login1_Checkword").value)==""){
            confirm("验证码不能为空！！");
            document.getElementById("User_Login1_Checkword").focus();
            return false;
        }
     }
     if(document.getElementById("Left1_User_Login1_CPassword")!=null){
         if(fTrim(document.getElementById("Left1_User_Login1_CPassword").value)==""){
             confirm("用户名不能为空！！");
             document.getElementById("Left1_User_Login1_CUserID").focus();
             return false;
         }
     }
     if(document.getElementById("Left1_User_Login1_CPassword")!=null){
         if(fTrim(document.getElementById("Left1_User_Login1_CPassword").value)==""){
             confirm("密码不能为空！！");
             document.getElementById("Left1_User_Login1_CPassword").focus();
             return false;
         }
     }
     if(document.getElementById("Left1_User_Login1_Checkword")!=null){
        if(fTrim(document.getElementById("Left1_User_Login1_Checkword").value)==""){
            confirm("验证码不能为空！！");
            document.getElementById("Left1_User_Login1_Checkword").focus();
            return false;
        }
     }
     
     if(document.getElementById("Studen_Login1_CUserID")!=null){
         if(fTrim(document.getElementById("Studen_Login1_CUserID").value)==""){
             confirm("用户名不能为空！！");
             document.getElementById("Studen_Login1_CUserID").focus();
             return false;
         }
     }
     if(document.getElementById("Studen_Login1_CPassword")!=null){
         if(fTrim(document.getElementById("Studen_Login1_CPassword").value)==""){
             confirm("密码不能为空！！");
             document.getElementById("Studen_Login1_CPassword").focus();
             return false;
         }
     }
     if(document.getElementById("Studen_Login1_Checkword")!=null){
        if(fTrim(document.getElementById("Studen_Login1_Checkword").value)==""){
            confirm("验证码不能为空！！");
            document.getElementById("Studen_Login1_Checkword").focus();
            return false;
        }
     }
     if(document.getElementById("Blog_Login1_CUserID")!=null){
         if(fTrim(document.getElementById("Blog_Login1_CUserID").value)==""){
             confirm("用户名不能为空！！");
             document.getElementById("Blog_Login1_CUserID").focus();
             return false;
         }
     }
     if(document.getElementById("Blog_Login1_CPassword")!=null){
         if(fTrim(document.getElementById("Blog_Login1_CPassword").value)==""){
             confirm("密码不能为空！！");
             document.getElementById("Blog_Login1_CPassword").focus();
             return false;
         }
     }
     if(document.getElementById("Blog_Login1_Checkword")!=null){
        if(fTrim(document.getElementById("Blog_Login1_Checkword").value)==""){
            confirm("验证码不能为空！！");
            document.getElementById("Blog_Login1_Checkword").focus();
            return false;
        }
     }
}
function dlCheck2()
 {
     if(document.getElementById("CUserID2")!=null){
         if(fTrim(document.getElementById("CUserID2").value)==""){
             confirm("用户名不能为空！！");
             document.getElementById("CUserID2").focus();
             return false;
         }
     }
     if(document.getElementById("CPassword2")!=null){
         if(fTrim(document.getElementById("CPassword2").value)==""){
             confirm("密码不能为空！！");
             document.getElementById("CPassword2").focus();
             return false;
         }
     }
     if(document.getElementById("Checkword2")!=null){
        if(fTrim(document.getElementById("Checkword2").value)==""){
            confirm("验证码不能为空！！");
            document.getElementById("Checkword2").focus();
            return false;
        }
     }
}
function dlCheck3()
 {
     if(document.getElementById("CUserID3")!=null){
         if(fTrim(document.getElementById("CUserID3").value)==""){
             confirm("用户名不能为空！！");
             document.getElementById("CUserID3").focus();
             return false;
         }
     }
     if(document.getElementById("CPassword3")!=null){
         if(fTrim(document.getElementById("CPassword3").value)==""){
             confirm("密码不能为空！！");
             document.getElementById("CPassword3").focus();
             return false;
         }
     }
     if(document.getElementById("Checkword3")!=null){
        if(fTrim(document.getElementById("Checkword3").value)==""){
            confirm("验证码不能为空！！");
            document.getElementById("Checkword3").focus();
            return false;
        }
     }
}
function dlCheck4()
 {
     if(document.getElementById("CUserID4")!=null){
         if(fTrim(document.getElementById("CUserID4").value)==""){
             confirm("用户名不能为空！！");
             document.getElementById("CUserID4").focus();
             return false;
         }
     }
     if(document.getElementById("CPassword4")!=null){
         if(fTrim(document.getElementById("CPassword4").value)==""){
             confirm("密码不能为空！！");
             document.getElementById("CPassword4").focus();
             return false;
         }
     }
     if(document.getElementById("Checkword4")!=null){
        if(fTrim(document.getElementById("Checkword4").value)==""){
            confirm("验证码不能为空！！");
            document.getElementById("Checkword4").focus();
            return false;
        }
     }
}
function Checkbm()
 {
     if(document.getElementById("txtName")!=null){
         if(fTrim(document.getElementById("txtName").value)==""){
             confirm("姓名不能为空！！");
             document.getElementById("txtName").focus();
             return false;
         }
     }
    
     if(document.getElementById("txtPhone")!=null){
        if(fTrim(document.getElementById("txtPhone").value)==""){
            confirm("电话不能为空！！");
            document.getElementById("txtPhone").focus();
            return false;
        }
     }
      if(document.getElementById("txtCode")!=null){
        if(fTrim(document.getElementById("txtCode").value)==""){
            confirm("验证码不能为空！！");
            document.getElementById("txtCode").focus();
            return false;
        }
     }
      if(document.getElementById("txtBody")!=null){
        if(fTrim(document.getElementById("txtBody").value)==""){
            confirm("内容不能为空！！");
            document.getElementById("txtBody").focus();
            return false;
        }else{
           var AChk=chk.split("|");
            var p=true;
            for(i=0;i<=AChk.length;i++){
                if(AChk[i]!=""){
                   if(document.getElementById("txtBody").value.indexOf(AChk[i])!=-1){
                      p=false;
                   }
                }
             }
            if(!p){
                 confirm("请你文明发表内容，不要发表不文明内容以及违反中国法律的言论！");
                document.getElementById("txtBody").focus();
                 return false;
            }
         }
     }
}
function AdmitSelectCheck()
 {
     if(document.getElementById("txtUserName")!=null){
         if(fTrim(document.getElementById("txtUserName").value)==""){
             confirm("学生姓名不能为空！！");
             document.getElementById("txtUserName").focus();
             return false;
         }
     }
    
     if(document.getElementById("txtSchool")!=null){
        if(fTrim(document.getElementById("txtSchool").value)==""){
            confirm("所报学校不能为空！！");
            document.getElementById("txtSchool").focus();
            return false;
        }
     }
}


function AdmitSelectCheck()
 {
     if(document.getElementById("txtUserName")!=null){
         if(fTrim(document.getElementById("txtUserName").value)==""){
             confirm("学生姓名不能为空！！");
             document.getElementById("txtUserName").focus();
             return false;
         }
     }
    
     if(document.getElementById("txtSchool")!=null){
        if(fTrim(document.getElementById("txtSchool").value)==""){
            confirm("所报学校不能为空！！");
            document.getElementById("txtSchool").focus();
            return false;
        }
     }
}
function YPSelect()
 {
     if(document.getElementById("txtUserName")!=null){
         if(fTrim(document.getElementById("txtUserName").value)==""){
             confirm("应聘姓名不能为空！！");
             document.getElementById("txtUserName").focus();
             return false;
         }
     }
     if(document.getElementById("txtSFZ")!=null){
        if(fTrim(document.getElementById("txtSFZ").value)==""){
            confirm("应聘职位不能为空！！");
            document.getElementById("txtSFZ").focus();
            return false;
        }
     }
     if(document.getElementById("txtSchool")!=null){
        if(fTrim(document.getElementById("txtSchool").value)==""){
            confirm("应聘单位不能为空！！");
            document.getElementById("txtSchool").focus();
            return false;
        }
     }
    
}
function PayCheck()
 {
     if(document.getElementById("txtUserName")!=null){
         if(fTrim(document.getElementById("txtUserName").value)==""){
             confirm("订购人姓名不能为空！！");
             document.getElementById("txtUserName").focus();
             return false;
         }
     }
     if(document.getElementById("txtAddress")!=null){
         if(fTrim(document.getElementById("txtAddress").value)==""){
             confirm("地址不能为空！！");
             document.getElementById("txtAddress").focus();
             return false;
         }
     }
     if(document.getElementById("txtTel")!=null&&document.getElementById("txtPhone")!=null){
        if(fTrim(document.getElementById("txtTel").value)==""&&fTrim(document.getElementById("txtPhone").value)==""){
            confirm("联系电话和手机号码必须填写一项！！");
            document.getElementById("txtTel").focus();
            return false;
        }
     }
     if(document.getElementById("txtProductName")!=null){
         if(fTrim(document.getElementById("txtProductName").value)==""){
             confirm("产品名称不能为空！！");
             document.getElementById("txtProductName").focus();
             return false;
         }
     }
     if(document.getElementById("txtProductNum")!=null){
         if(fTrim(document.getElementById("txtProductNum").value)==""){
             confirm("定购数量不能为空！！");
             document.getElementById("txtProductNum").focus();
             return false;
         }
     }
}
 function fTrim(str)
{
	return str.replace(/(^\s*)|(\s*$)/g, ""); 
}