function javaTrim(str) {
   for (var i=0; (str.charAt(i)==' ') && i<str.length; i++);
   if (i == str.length) return ''; //whole string is space
   var newstr = str.substr(i);
   for (var i=newstr.length-1; newstr.charAt(i)==' ' && i>=0; i--);
   newstr = newstr.substr(0,i+1);
   return newstr;
}

 function submitForm(actionType){
 len = document.subscibeForm.elements["catalog_id"].length;
 if(typeof(len)=="undefined")
  {
    if(document.all.catalog_id.checked==false){
    	 alert("请选择栏目!");
         return false;
    }	  
  }else{
 is=0;
   for(i=0;i<len;i++)
    {
     if(document.subscibeForm.elements["catalog_id"][i].checked)
     {
     	 is = 1;
     }
    }
  if(is == 0)
  {
     alert("请选择栏目!");
     return false;
  }
 }
    if(actionType=="refuse"){
	    if(!confirm('确实要退订吗？'))
         return false; 
	}
	document.all.actionType.value=actionType;
	document.subscibeForm.submit();
}
 
 function CheckBrowserLoginForm(loginform)
 {
  if(loginform.loginname.value == null || loginform.loginname.value == ""){
		alert("用户名没有输入");
		return  false;
	}
	if(loginform.password.value == null || loginform.password.value == ""){
		alert("密码没有输入");
		return false;
	} 
      
   loginform.submit();
  
}
  
  
  function checkgetuserpwdform(form)
{
  if(javaTrim(form.answer.value)==""){alert("请输入答案！");return false;}
  if(javaTrim(form.cardnumber.value)==""){alert("请输入证件号！");return false;}
  if(javaTrim(form.newpwd1.value)==""){alert("请输入新密码！");return false;}
  if(javaTrim(form.newpwd2.value)==""){alert("请输入确认密码！");return false;}
  if(form.newpwd1.value!=form.newpwd2.value){alert("两次输入的新密码不一致！");return false;}
  
}
  
  function show_object(form,actionpage,elementname,value){
      name=form+"."+elementname;
      document.pagerform.action=actionpage;
      name.value=value;
      form.submit();
   }
   
   function setParamValue(form,actionpage,catalog_idvalue,ispagevalue){
     form.action=actionpage;
     form.catalog_id.value=catalog_idvalue;
     form.ispage.value=ispagevalue;
     form.submit();
   }
  
  function checkform(form){
    if(form.loginname.value==""){alert("请输入用户名！");form.loginname.focus();return false;};
    else if(form.password.value==""){alert("请输入密码！");form.password.focus();return false;}
    else 
     return true;
  }
   function checkBrowserModForm(form){
    if(form.loginname.value==""){alert("请输入登录名！");return false;}
    if(form.question.value==""){alert("请输入密码提示问题！");return false;}
    if(form.answer.value==""){alert("请输入问题答案");return false;}
    if(form.email.value==""){alert("请输入邮件！");return false;}
    if(form.realname.value==""){alert("请输入真实姓名！");return false;}
    if(form.sex[0].checked==false&&form.sex[1].checked==false){alert("请选择性别！"); return false;}
    //if(javaTrim(form.telephone.value)==""){alert("请输入联系电话！");return false;}
    if(javaTrim(form.certificatenumber.value)==""){alert("请输入证件号码！");return false;}
    birthday = form.birthday.value;
    birthday = formatDate(birthday,"-");
    if(!(birthday.length==0|| checkDate(birthday) == true )){

        alert("生日日期错误！");
        return false;
    }
    
 }
 
 function checkuserpasswordform(form)
 { 
  if(javaTrim(form.oldpwd.value)==""){alert("请输入旧密码！");return false;}
  if(javaTrim(form.newpwd1.value)==""){alert("请输入新密码！");return false;}
  if(javaTrim(form.newpwd2.value)==""){alert("请输入确认密码！");return false;}
  if(form.newpwd1.value!=form.newpwd2.value){alert("两次输入的新密码不一致！");return false;}
  newpwd=form.newpwd1.value;
  if(!confirm( '\n 确定要修改吗？')){return false;}
 }
  function logout(){
   if(!confirm( '\n 确定要退出吗？')){return;}else{
    window.location.href="logout.jsp";
  }
 }
 
 function checkBrowserForm(form){
   
    if(form.loginname.value==""){alert("请输入登录名！");return false;}
    if(form.loginname.value.indexOf("@")!=-1)
    {
      alert("无效的登录名");return false;
    }
    if(form.passwd1.value==""&&form.passwd2.value!=""){alert("请输入密码！");return false;}
    if(form.passwd1.value!=""&&form.passwd2.value==""){alert("请输入确认密码！");return false;}
    if(form.passwd1.value!=form.passwd2.value){alert("两次输入的密码不一样！");return false;}
	if(form.passwd1.value.length<4)
	{
	    alert("密码长度不小于4位");
		return false;
	}
    if(form.question.value==""){alert("请输入密码提示问题！");return false;}
    if(form.answer.value==""){alert("请输入问题答案");return false;}
    if(form.email.value==""){alert("请输入邮件！");return false;}
    if(form.realname.value==""){alert("请输入真实姓名！");return false;}
    if(form.sex[0].checked==false&&form.sex[1].checked==false){alert("请选择性别！"); return false;}
    //if(javaTrim(form.telephone.value)==""){alert("请输入联系电话！");return false;}
    if(javaTrim(form.certificatenumber.value)==""){alert("请输入证件号码！");return false;}
    birthday = form.birthday.value;
    birthday = formatDate(birthday,"-");
    if(!(birthday.length==0|| checkDate(birthday) == true )){

        alert("生日日期错误！");
        return false;
    }
    
   }  
   
  


function checkfbform(form){
    if(form.heading.value==""){alert("请输入标题！");return false;}    
    else if(form.message.value==""){alert("请输入内容！");return false}
    else
      return true;
  }
  
  function checkPmailForm(form){
     if(javaTrim(form.suser.value)==""){alert("请输入您的姓名！"); return false;}
     //if(form.sex[0].checked==false&&form.sex[1].checked==false){alert("请选择性别！"); return false;}
     if(javaTrim(form.tel.value)==""){alert("请输入电话！"); return false;}
     if(javaTrim(form.address.value)==""){alert("请输入详细地址！"); return false;}
     if(javaTrim(form.ruser.value)==""){alert("请输入被举报人的姓名！"); return false;}
     if(javaTrim(form.runit.value)==""){alert("请输入被举报人的工作单位！"); return false;}
     if(javaTrim(form.title.value)==""){alert("请输入问题标题！"); return false;}
     if(javaTrim(form.content.value)==""){alert("请输入详细内容！"); return false;}
     if(javaTrim(form.content.value).length>1000){alert("请输入的内容已超过千字了！"); return false;}

}

 function checkEffectForm(form){
     if(javaTrim(form.suser.value)==""){alert("请输入您的姓名！"); return false;}
     //if(form.sex[0].checked==false&&form.sex[1].checked==false){alert("请选择性别！"); return false;}
     if(javaTrim(form.tel.value)==""){alert("请输入电话！"); return false;}
     if(javaTrim(form.address.value)==""){alert("请输入详细地址！"); return false;}
     if(javaTrim(form.ruser.value)==""){alert("请输入被反映人的姓名！"); return false;}
     if(javaTrim(form.runit.value)==""){alert("请输入被反映人的工作单位！"); return false;}
     if(javaTrim(form.title.value)==""){alert("请输入问题标题！"); return false;}
     if(javaTrim(form.content.value)==""){alert("请输入详细内容！"); return false;}
     if(javaTrim(form.content.value).length>1000){alert("请输入的内容已超过千字了！"); return false;}
   }