function CheckComment()
{
   if (document.CommentForm.Writer.value=='')
   {
      alert('请填写用户！');
      document.CommentForm.Writer.focus();
      return false;
   }
   if (document.CommentForm.ComContent.value=='')
   {
      alert('请填写评论内容！');
      document.CommentForm.ComContent.focus();
      return false;
   }
}

function FillWriter()
{
   if(document.CommentForm.Writer.value=='匿名')
   {
      document.CommentForm.Writer.value=''
   }
   else
   {
	   document.CommentForm.Writer.value='匿名'
	}
}

function ChangeCPB(id)
{
  eval("tabCom.style.display='none';");
  eval("tabPro.style.display='none';");
  eval("tabBuy.style.display='none';");

  eval("tdCom.style.borderBottom='1px solid silver'; tdCom.style.backgroundColor='#E9F1F6';"); 
  eval("tdPro.style.borderBottom='1px solid silver'; tdPro.style.backgroundColor='#E9F1F6';");
  eval("tdBuy.style.borderBottom='1px solid silver'; tdBuy.style.backgroundColor='#E9F1F6';");
  
  eval("tab" + id + ".style.display='';");
  eval("td" + id + ".style.backgroundColor='#ffffff';");
  eval("td" + id + ".style.borderBottom='0px solid silver';");
}

function ChangeSearch(id,str)
{
  eval("tabGY.style.display='none';");
  eval("tabQG.style.display='none';");
  eval("tabQY.style.display='none';");
  eval("tabCP.style.display='none';");
  eval("tabYY.style.display='none';");
  eval("tabXX.style.display='none';");
  eval("tabSP.style.display='none';"); 

  eval("tdGY" + ".style.backgroundImage='url(images/search2.gif)';");
  eval("tdQG" + ".style.backgroundImage='url(images/search2.gif)';");
  eval("tdQY" + ".style.backgroundImage='url(images/search2.gif)';");
  eval("tdCP" + ".style.backgroundImage='url(images/search2.gif)';");
  eval("tdYY" + ".style.backgroundImage='url(images/search2.gif)';");
  eval("tdXX" + ".style.backgroundImage='url(images/search2.gif)';");
  eval("tdSP" + ".style.backgroundImage='url(images/search2.gif)';");
  
  eval("tdGY.innerHTML='<span style=cursor:hand>供应</span>';");   
  eval("tdQG.innerHTML='<span style=cursor:hand>求购</span>';");
  eval("tdQY.innerHTML='<span style=cursor:hand>企业</span>';");
  eval("tdCP.innerHTML='<span style=cursor:hand>产品</span>';");
  eval("tdXX.innerHTML='<span style=cursor:hand>信息</span>';");
  eval("tdSP.innerHTML='<span style=cursor:hand>视频</span>';");
  eval("tdYY.innerHTML='<span style=cursor:hand>应用</span>';");

  eval("tab" + id + ".style.display='';");
  eval("td" + id + ".style.backgroundImage='url(images/search1.gif)';");
  eval("td" + id + ".innerHTML='<span style=cursor:hand><b>'+str+'</b></span>';");
}
function ChangeSearchEn(id,str)
{
  eval("tabGY.style.display='none';");
  eval("tabQG.style.display='none';");
  eval("tabQY.style.display='none';");
  eval("tabCP.style.display='none';");
  eval("tabYY.style.display='none';");
  eval("tabXX.style.display='none';");
  eval("tabSP.style.display='none';"); 

  eval("tdGY" + ".style.backgroundImage='url(/images/search2.gif)';");
  eval("tdQG" + ".style.backgroundImage='url(/images/search2.gif)';");
  eval("tdQY" + ".style.backgroundImage='url(/images/search2.gif)';");
  eval("tdCP" + ".style.backgroundImage='url(/images/search2.gif)';");
  eval("tdYY" + ".style.backgroundImage='url(/images/search2.gif)';");
  eval("tdXX" + ".style.backgroundImage='url(/images/search2.gif)';");
  eval("tdSP" + ".style.backgroundImage='url(/images/search2.gif)';");
  
  eval("tdGY.innerHTML='<span style=cursor:hand>Provide</span>';");   
  eval("tdQG.innerHTML='<span style=cursor:hand>Buy</span>';");
  eval("tdQY.innerHTML='<span style=cursor:hand>Com</span>';");
  eval("tdCP.innerHTML='<span style=cursor:hand>Product</span>';");
  eval("tdXX.innerHTML='<span style=cursor:hand>Info</span>';");
  eval("tdSP.innerHTML='<span style=cursor:hand>Video</span>';");
  eval("tdYY.innerHTML='<span style=cursor:hand>Apply</span>';");

  eval("tab" + id + ".style.display='';");
  eval("td" + id + ".style.backgroundImage='url(/images/search1.gif)';");
  eval("td" + id + ".innerHTML='<span style=cursor:hand><b>'+str+'</b></span>';");
}
function ChangeTab1(id)
{
  eval("tab1.style.display='none';");
  eval("tab2.style.display='none';");
  eval("tab3.style.display='none';");
  eval("tab4.style.display='none';");

  eval("td1.style.backgroundImage='url(images/btm-2.jpg)';");
  eval("td2.style.backgroundImage='url(images/btm-22.jpg)';");
  eval("td3.style.backgroundImage='url(images/btm-4.jpg)';");
  eval("td4.style.backgroundImage='url(images/btm-5.jpg)';");

  eval("tab" + id + ".style.display='';");
  eval("td" + id + ".style.backgroundImage='url(images/btm-3.jpg)';");
}
function ChangeTab1En(id)
{
  eval("tab1.style.display='none';");
  eval("tab2.style.display='none';");
  eval("tab3.style.display='none';");
  eval("tab4.style.display='none';");

  eval("td1.style.backgroundImage='url(/images/btm-2.jpg)';");
  eval("td2.style.backgroundImage='url(/images/btm-22.jpg)';");
  eval("td3.style.backgroundImage='url(/images/btm-4.jpg)';");
  eval("td4.style.backgroundImage='url(/images/btm-5.jpg)';");

  eval("tab" + id + ".style.display='';");
  eval("td" + id + ".style.backgroundImage='url(/images/btm-3.jpg)';");
}

function ChangeTab2(id)
{
  eval("tab5.style.display='none';");
  eval("tab6.style.display='none';");
  eval("tab7.style.display='none';");
  eval("tab8.style.display='none';");

  eval("td5.style.backgroundImage='url(images/btm-2.jpg)';");
  eval("td6.style.backgroundImage='url(images/btm-22.jpg)';");
  eval("td7.style.backgroundImage='url(images/btm-4.jpg)';");
  eval("td8.style.backgroundImage='url(images/btm-5.jpg)';");

  eval("tab" + id + ".style.display='';");
  eval("td" + id + ".style.backgroundImage='url(images/btm-3.jpg)';");
}
function ChangeTab2En(id)
{
  eval("tab5.style.display='none';");
  eval("tab6.style.display='none';");
  eval("tab7.style.display='none';");
  eval("tab8.style.display='none';");

  eval("td5.style.backgroundImage='url(/images/btm-2.jpg)';");
  eval("td6.style.backgroundImage='url(/images/btm-22.jpg)';");
  eval("td7.style.backgroundImage='url(/images/btm-4.jpg)';");
  eval("td8.style.backgroundImage='url(/images/btm-5.jpg)';");

  eval("tab" + id + ".style.display='';");
  eval("td" + id + ".style.backgroundImage='url(/images/btm-3.jpg)';");
}

function ChangeTab3(id)
{
  eval("tab9.style.display='none';");
  eval("tab10.style.display='none';");
  eval("tab11.style.display='none';");
  eval("tab12.style.display='none';");

  eval("td9.style.backgroundImage='url(images/btm-2.jpg)';");
  eval("td10.style.backgroundImage='url(images/btm-22.jpg)';");
  eval("td11.style.backgroundImage='url(images/btm-4.jpg)';");
  eval("td12.style.backgroundImage='url(images/btm-5.jpg)';");

  eval("tab" + id + ".style.display='';");
  eval("td" + id + ".style.backgroundImage='url(images/btm-3.jpg)';");
}
function ChangeTab3En(id)
{
  eval("tab9.style.display='none';");
  eval("tab10.style.display='none';");
  eval("tab11.style.display='none';");
  eval("tab12.style.display='none';");

  eval("td9.style.backgroundImage='url(/images/btm-2.jpg)';");
  eval("td10.style.backgroundImage='url(/images/btm-22.jpg)';");
  eval("td11.style.backgroundImage='url(/images/btm-4.jpg)';");
  eval("td12.style.backgroundImage='url(/images/btm-5.jpg)';");

  eval("tab" + id + ".style.display='';");
  eval("td" + id + ".style.backgroundImage='url(/images/btm-3.jpg)';");
}

function ChangeMgGn(id)
{
    
   if (id=='1')
   {
      eval("MgGn1.style.backgroundImage='url(images/mgyy.gif)';");
      eval("MgGn2.style.backgroundImage='url(images/gnyy.gif)';");
      eval("tabMg.style.display='';");
      eval("tabGn.style.display='none';");
   } 
   else
   {
      eval("MgGn1.style.backgroundImage='url(images/gnyy1.gif)';");
      eval("MgGn2.style.backgroundImage='url(images/mgyy1.gif)';");
      eval("tabMg.style.display='none';");
      eval("tabGn.style.display='';");
   } 
   
}
function ChangeMgGnEn(id)
{
    
   if (id=='1')
   {
      eval("MgGn1.style.backgroundImage='url(/images/mgyy.gif)';");
      eval("MgGn2.style.backgroundImage='url(/images/gnyy.gif)';");
      eval("tabMg.style.display='';");
      eval("tabGn.style.display='none';");
   } 
   else
   {
      eval("MgGn1.style.backgroundImage='url(/images/gnyy1.gif)';");
      eval("MgGn2.style.backgroundImage='url(/images/mgyy1.gif)';");
      eval("tabMg.style.display='none';");
      eval("tabGn.style.display='';");
   } 
   
}
function CheckShopReg()
{
   if (reg.MemberName.value=="")
   {
      alert('会员登录名不能为空!');
      reg.MemberName.focus();
      return false;
   }
   if (reg.MemberName.value.length<3)
   {
      alert('会员登录名长度不能小于3!');
      reg.MemberName.focus();
      return false;
   }
   if (reg.MemberName.value.length>15)
   {
      alert('会员登录名长度不能大于15!');
      reg.MemberName.focus();
      return false;
   }

   if(/[^0-9a-zA-Z]/g.test(reg.MemberName.value))
   {
      alert('会员登录名只限数字(0-9)和英文(a-z)!')
      reg.MemberName.focus();
      return false;
   }

   if (reg.MemberPass.value=="")
   {
      alert('密码不能为空!');
      reg.MemberPass.focus();
      return false;
   }

   if (reg.MemberName.value==reg.MemberPass.value)
   {
      alert('会员登录名和密码不能相同!');
      reg.MemberPass.focus();
      return false;
   }
   if (reg.MemberPass.value.length<6)
   {
      alert('密码长度不能小于6!');
      reg.MemberPass.focus();
      return false;
   }
   if (reg.RePass.value!=reg.MemberPass.value)
   {
      alert('两次输入的密码不一致!');
      reg.RePass.focus();
      return false;
   }

   if (reg.Question.value=="")
   {
      alert('密码提示问题不能为空!');
      reg.Question.focus();
      return false;
   }

   if (reg.Answer.value=="")
   {
      alert('密码提示答案不能为空!');
      reg.Answer.focus();
      return false;
   }
   if (reg.Answer.value==reg.MemberName.value)
   {
      alert('密码提示答案不能与登录名相同!');
      reg.Answer.focus();
      return false;
   }
   if (reg.RelName.value=="")
   {
      alert('真实姓名不能为空!');
      reg.RelName.focus();
      return false;
   }

   if (reg.Job.value=="")
   {
      alert('所在部门及职务不能为空!');
      reg.Job.focus();
      return false;
   }

   if (reg.Email.value=="")
   {
      alert('电子邮箱不能为空!');
      reg.Email.focus();
      return false;
   }
 
   if(reg.Email.value.length!=0)
   { 
      if(reg.Email.value.charAt(0)=="." || reg.Email.value.charAt(0)=="@" || reg.Email.value.indexOf('@',   0)   ==   -1   ||  reg.Email.value.indexOf('.',   0)   ==   -1   ||  reg.Email.value.lastIndexOf("@")==reg.Email.value.length-1   || reg.Email.value.lastIndexOf(".")==reg.Email.value.length-1 )   
            {   
              alert("Email地址格式不正确！");   
              reg.Email.focus();   
              return  false;   
            }   
}   

   if (reg.Tel.value=="")
   {
      alert('固定电话不能为空!');
      reg.Tel.focus();
      return false;
   }

   if (isNaN(reg.Tel.value))
   {
      alert('请填写正确的固定电话!');
      reg.Tel.focus();
      return false;
   }

   if (reg.CompanyName.value=="")
   {
      alert('公司名称不能为空!');
      reg.CompanyName.focus();
      return false;
   }
   if (reg.Province.value=="")
   {
      alert('公司所在地省份不能为空!');
      reg.Province.focus();
      return false;
   }

   if (reg.City.value=="")
   {
      alert('公司所在地区不能为空!');
      reg.City.focus();
      return false;
   }
      
   if (reg.Address.value=="")
   {
      alert('经营地址不能为空!');
      reg.Address.focus();
      return false;
   }
  
   if (reg.Trade.value=="")
   {
      alert('主营行业不能为空!');
      reg.Trade.focus();
      return false;
   }
      
   if (reg.Management.value=="")
   {
      alert('主营方向不能为空!');
      reg.Management.focus();
      return false;
   }
      
   if (reg.CheckCode.value=="")
   {
      alert('验证码不能为空!');
      reg.CheckCode.focus();
      return false;
   }

}

function CheckMemberLogin()
{
   if (FrmLogin.MemberName.value=="")
   {
      alert('用户名不能为空!');
      FrmLogin.MemberName.focus();
      return false; 
   }
   if(/[^0-9a-zA-Z]/g.test(FrmLogin.MemberName.value))
   {
      alert('用户名只限数字(0-9)和英文(a-z)!')
      FrmLogin.MemberName.focus();
      return false;
   }
   if (FrmLogin.MemberPass.value=="")
   {
      alert('密码不能为空!');
      FrmLogin.MemberPass.focus();
      return false;
   }
}

function CheckMemberLoginRight()
{
   if (FrmLoginRight.MemberName.value=="")
   {
      alert('用户名不能为空!');
      FrmLoginRight.MemberName.focus();
      return false; 
   }
   if(/[^0-9a-zA-Z]/g.test(FrmLoginRight.MemberName.value))
   {
      alert('用户名只限数字(0-9)和英文(a-z)!')
      FrmLoginRight.MemberName.focus();
      return false;
   }
   if (FrmLoginRight.MemberPass.value=="")
   {
      alert('密码不能为空!');
      FrmLoginRight.MemberPass.focus();
      return false;
   }
}
function ChkShopModFront()
{
   if (FrmMemInfo.MemberPass.value=="")
   {
      alert('密码不能为空!');
      FrmMemInfo.MemberPass.focus();
      return false;
   }
   if (FrmMemInfo.MemberPass.value.length<6)
   {
      alert('密码长度不能小于6!');
      FrmMemInfo.MemberPass.focus();
      return false;
   }
   if (FrmMemInfo.RePass.value!=FrmMemInfo.MemberPass.value)
   {
      alert('两次输入的密码不一致!');
      FrmMemInfo.RePass.focus();
      return false;
   }
   if (FrmMemInfo.RelName.value=="")
   {
      alert('真实姓名不能为空!');
      FrmMemInfo.RelName.focus();
      return false;
   }

   if (FrmMemInfo.Job.value=="")
   {
      alert('所在部门及职务不能为空!');
      FrmMemInfo.Job.focus();
      return false;
   }

   if (FrmMemInfo.Email.value=="")
   {
      alert('电子邮箱不能为空!');
      FrmMemInfo.Email.focus();
      return false;
   }
 
   if(FrmMemInfo.Email.value.length!=0)
   { 
      if(FrmMemInfo.Email.value.charAt(0)=="." || FrmMemInfo.Email.value.charAt(0)=="@" || FrmMemInfo.Email.value.indexOf('@',   0)   ==   -1   ||  FrmMemInfo.Email.value.indexOf('.',   0)   ==   -1   ||  FrmMemInfo.Email.value.lastIndexOf("@")==FrmMemInfo.Email.value.length-1   || FrmMemInfo.Email.value.lastIndexOf(".")==FrmMemInfo.Email.value.length-1 )   
            {   
              alert("Email地址格式不正确！");   
              FrmMemInfo.Email.focus();   
              return  false;   
            }   
}   

   if (FrmMemInfo.Tel.value=="")
   {
      alert('固定电话不能为空!');
      FrmMemInfo.Tel.focus();
      return false;
   }

   if (isNaN(FrmMemInfo.Tel.value))
   {
      alert('请填写正确的固定电话!');
      FrmMemInfo.Tel.focus();
      return false;
   }
   if (FrmMemInfo.CompanyName.value=="")
   {
      alert('公司名称不能为空!');
      FrmMemInfo.CompanyName.focus();
      return false;
   }
   if (FrmMemInfo.Province.value=="")
   {
      alert('公司所在地省份不能为空!');
      FrmMemInfo.Province.focus();
      return false;
   }

   if (FrmMemInfo.City.value=="")
   {
      alert('公司所在地区不能为空!');
      FrmMemInfo.City.focus();
      return false;
   }
      
   if (FrmMemInfo.Address.value=="")
   {
      alert('经营地址不能为空!');
      FrmMemInfo.Address.focus();
      return false;
   }
      
   if (FrmMemInfo.Trade.value=="")
   {
      alert('主营行业不能为空!');
      FrmMemInfo.Trade.focus();
      return false;
   }
      
   if (FrmMemInfo.Management.value=="")
   {
      alert('主营方向不能为空!');
      FrmMemInfo.Management.focus();
      return false;
   }
      
   if (FrmMemInfo.CheckCode.value=="")
   {
      alert('验证码不能为空!');
      FrmMemInfo.CheckCode.focus();
      return false;
   }

}

function CheckAddProvide()
{
   if (FrmMemInfo.ProName.value=="")
   {
      alert('产品名称不能为空!');
      FrmMemInfo.ProName.focus();
      return false;
   }
   if (FrmMemInfo.ProClassName.value=="")
   {
      alert('请选择所属行业!');
      return false;
   }
   if (isNaN(FrmMemInfo.ProNum.value))
   {
      alert('供货总量只需填写数字!');
      return false;
   }
   if (isNaN(FrmMemInfo.Price.value))
   {
      alert('产品单价只需填写数字!');
      return false;
   }
}

function CheckAddBuy()
{
   if (FrmMemInfo.ProName.value=="")
   {
      alert('产品名称不能为空!');
      FrmMemInfo.ProName.focus();
      return false;
   }
   if (FrmMemInfo.ProClassName.value=="")
   {
      alert('请选择所属行业!');
      return false;
   }
   if (isNaN(FrmMemInfo.ProNum.value))
   {
      alert('需求数量只需填写数字!');
      return false;
   }
   if (isNaN(FrmMemInfo.Price.value))
   {
      alert('产品单价只需填写数字!');
      return false;
   }
}

function CheckAddProduct()
{
   if (FrmMemInfo.ProductName.value=="")
   {
      alert('产品名称不能为空!');
      FrmMemInfo.ProductName.focus();
      return false;
   }
   if (FrmMemInfo.ProClassName.value=="")
   {
      alert('请选择产品类别!');
      return false;
   }
   if (isNaN(FrmMemInfo.ProNum.value))
   {
      alert('产品数量只需填写数字!');
      return false;
   }
   if (isNaN(FrmMemInfo.ProPrice.value))
   {
      alert('产品价格只需填写数字!');
      return false;
   }
}

function CheckAddComNews()
{
   if (FrmMemInfo.InfoTitle.value=="")
   {
      alert('信息标题不能为空!');
      FrmMemInfo.InfoTitle.focus();
      return false;
   }
}
function CheckAddJob()
{
   if(FrmMemInfo.JobPosition.value=="")
   {
      alert('招聘职位不能为空!');
      FrmMemInfo.JobPosition.focus();
      return false;
   }
   if(FrmMemInfo.StartTime.value=="")
   {
      alert('发布日期不能为空!');
      FrmMemInfo.StartTime.focus();
      return false;
   }
   if(FrmMemInfo.EndTime.value=="")
   {
      alert('截止日期不能为空!');
      FrmMemInfo.EndTime.focus();
      return false;
   }
   if(isNaN(FrmMemInfo.PersonNum.value))
   {
      alert('招聘人数只需填写数字!');
      FrmMemInfo.PersonNum.focus();
      return false;
   }
}
function CheckAddVideo()
{
   if(FrmMemInfo.VideoName.value=="")
   {
      alert('视频名称不能为空!');
      FrmMemInfo.VideoName.focus();
      return false;
   }
   if(FrmMemInfo.VideoClassName.value=="")
   {
      alert('请选择所属类别!');
      return false;
   }
}

function CheckMessage()
{
   if(FrmMessage.Title.value=="")
   {
      alert('主题不能为空!');
      FrmMessage.Title.focus();
      return false;
   }
   if(FrmMessage.ConPerson.value=="")
   {
      alert('联系人不能为空!');
      FrmMessage.ConPerson.focus();
      return false;
   }   
   if (isNaN(FrmMessage.ZipCode.value))
   {
      alert('邮政编码格式不正确!');
      FrmMessage.ZipCode.focus();
      return false;
   }
  if(FrmMessage.Email.value.length!=0)
   { 
      if(FrmMessage.Email.value.charAt(0)=="." || FrmMessage.Email.value.charAt(0)=="@" || FrmMessage.Email.value.indexOf('@',   0)   ==   -1   ||  FrmMessage.Email.value.indexOf('.',   0)   ==   -1   ||  FrmMessage.Email.value.lastIndexOf("@")==FrmMessage.Email.value.length-1   || FrmMessage.Email.value.lastIndexOf(".")==FrmMessage.Email.value.length-1 )   
            {   
              alert("Email地址格式不正确！");   
              FrmMessage.Email.focus();   
              return  false;   
            }   
   }
   if(FrmMessage.CheckCode.value=="")
   {
      alert('验证码不能为空!');
      FrmMessage.CheckCode.focus();
      return false;
   }
}

function ShowShopTr(id)
{
    if(eval("Tr" + id + ".style.display=='none'  ;"))
    { 
       eval("Tr" + id + ".style.display=''; ") 
    }
    else
    {
      eval("Tr" + id + ".style.display='none'; ") 
    }
}

function dobeijing()
{
   ND=new Date();
   NowYear=ND.getYear();
   NowMonth=ND.getMonth()+1;
   NowDate=ND.getDate();
   NowHours=ND.getHours();
   NowMinutes=ND.getMinutes();
   NowSeconds=ND.getSeconds();
   if (NowMinutes<10){NowMinutes="0"+NowMinutes}
   if (NowSeconds<10){NowSeconds="0"+NowSeconds}
   beijing.innerHTML=(NowYear+"."+NowMonth+"."+NowDate);
   ShowTime.innerHTML=(NowHours+":"+NowMinutes);
   tidA=window.setTimeout("dobeijing()",speed);                                                                                                                 
}
function DateDemo(){
   var d, day, x
   var x = new Array("星期日", "星期一", "星期二");
   var x = x.concat("星期三","星期四", "星期五");
   var x = x.concat("星期六");
   d = new Date();
   day = d.getDay();
   return(x[day]);
}
 
function CheckSearchfrm()
{
   if (frmSearch.KeyWord.value=="请输入您感兴趣的信息" || frmSearch.KeyWord.value=="")
   {
      alert('请输入您感兴趣的信息!');
      return false;
   } 
   if(frmSearch.ClassName.value=="")
   {
      alert('请选择类别!');
      return false;
   } 
   frmSearch.action=frmSearch.ClassName.value;
   frmSearch.submit(); 
} 

function CheckFindEmail()
{
   if (Find.Email.value=='')
   {
      alert('Email不能为空！');
      return false;
   }
   if(Find.Email.value.length!=0)
   { 
      if(Find.Email.value.charAt(0)=="." || Find.Email.value.charAt(0)=="@" || Find.Email.value.indexOf('@',   0)   ==   -1   ||  Find.Email.value.indexOf('.',   0)   ==   -1   ||  Find.Email.value.lastIndexOf("@")==Find.Email.value.length-1   || Find.Email.value.lastIndexOf(".")==Find.Email.value.length-1 )   
            {   
              alert("Email地址格式不正确！");   
              Find.Email.focus();   
              return  false;   
            }   
   }
}

function CheckFind1()
{
    if (Find1.MemberName.value=="")
   {
      alert('登录名不能为空!');
      Find1.MemberName.focus();
      return false; 
   }
   if (Find1.MemberName.value.length<3)
   {
      alert('登录名长度不能小于3!');
      Find1.MemberName.focus();
      return false;
   }
   if (Find1.MemberName.value.length>15)
   {
      alert('登录名长度不能大于15!');
      Find1.MemberName.focus();
      return false;
   }
   if(/[^0-9a-zA-Z]/g.test(Find1.MemberName.value))
   {
      alert('登录名只限数字(0-9)和英文(a-z)!')
      Find1.MemberName.focus();
      return false;
   }  
}

function CheckFrmLogin1()
{
   if (FrmLogin1.MemberName.value=="")
   {
      alert('会员帐号不能为空!');
      FrmLogin1.MemberName.focus();
      return false; 
   }
   if (FrmLogin1.MemberName.value.length<3)
   {
      alert('会员帐号长度不能小于3!');
      FrmLogin1.MemberName.focus();
      return false;
   }
   if (FrmLogin1.MemberName.value.length>15)
   {
      alert('会员帐号长度不能大于15!');
      FrmLogin1.MemberName.focus();
      return false;
   }
   if(/[^0-9a-zA-Z]/g.test(FrmLogin1.MemberName.value))
   {
      alert('会员帐号只限数字(0-9)和英文(a-z)!')
      FrmLogin1.MemberName.focus();
      return false;
   }  
   if (FrmLogin1.MemberPass.value=="")
   {
      alert('密码不能为空!');
      FrmLogin1.MemberPass.focus();
      return false;
   }

   if (FrmLogin1.MemberName.value==FrmLogin1.MemberPass.value)
   {
      alert('会员帐号和密码不能相同!');
      FrmLogin1.MemberPass.focus();
      return false;
   }
   if (FrmLogin1.MemberPass.value.length<6)
   {
      alert('密码长度不能小于6!');
      FrmLogin1.MemberPass.focus();
      return false;
   }
}

function CheckSubLink()
{
   if(FrmSubLink.LinkAddress.value=='http://' || FrmSubLink.LinkAddress.value=='')
   {
      alert('请填写链接地址！');
      FrmSubLink.LinkAddress.focus();
      return false;
   }
   if (FrmSubLink.ConPerson.value=='')
   {
      alert('联系人不能为空！');
      FrmSubLink.ConPerson.focus();
      return false;
   }
   if (FrmSubLink.Tel.value=='')
   {
      alert('联系电话不能为空！');
      FrmSubLink.Tel.focus();
      return false;
   }   
   if(FrmSubLink.Email.value.length!=0)
   { 
      if(FrmSubLink.Email.value.charAt(0)=="." || FrmSubLink.Email.value.charAt(0)=="@" || FrmSubLink.Email.value.indexOf('@',   0)   ==   -1 ||  FrmSubLink.Email.value.indexOf('.',   0)   ==   -1   ||  FrmSubLink.Email.value.lastIndexOf("@")==FrmSubLink.Email.value.length-1   || FrmSubLink.Email.value.lastIndexOf(".")==FrmSubLink.Email.value.length-1 )   
      {   
         alert("Email地址格式不正确！");   
         FrmSubLink.Email.focus();   
         return  false;   
      }   
   }
}

function ChangeTDGQ1()
{
   eval("tdGY.style.backgroundImage='url(images/GQleft.jpg)';");
   eval("tdQG.style.backgroundImage='url(images/GQ.gif)'; ");
   eval("trGY.style.display=''; ");
   eval("trQG.style.display='none';" );
   eval("tdGY1.innerHTML='<a href=# style=text-decoration:none;color=2e436e;font-size=14px;><b>供应信息&nbsp;(摘要)</b></a>';");   
   eval("tdQG1.innerHTML='<a href=# style=text-decoration:none;color=FFFFFF;font-size=14px;><b>求购信息&nbsp;(摘要)</b></a>';");   
}
function ChangeTDGQ2()
{
   eval("tdQG.style.backgroundImage='url(images/GQright.gif)';");
   eval("tdGY.style.backgroundImage='url(images/GQ.gif)';");
   eval("trGY.style.display='none';");
   eval("trQG.style.display='';" );

   eval("tdQG1.innerHTML='<a href=# style=text-decoration:none;color=2e436e;font-size=14px;><b>求购信息&nbsp;(摘要)</b></a>';");   
   eval("tdGY1.innerHTML='<a href=# style=text-decoration:none;color=ffffff;font-size=14px;><b>供应信息&nbsp;(摘要)</b></a>';");   
}

function ChangeTDGQ1En()
{
   eval("tdGY.style.backgroundImage='url(/images/GQleft.jpg)';");
   eval("tdQG.style.backgroundImage='url(/images/GQ.gif)'; ");
   eval("trGY.style.display=''; ");
   eval("trQG.style.display='none';" );
   eval("tdGY1.innerHTML='<a href=# style=text-decoration:none;color=2e436e;font-size=14px;><b>Provide Information</b></a>';");   
   eval("tdQG1.innerHTML='<a href=# style=text-decoration:none;color=FFFFFF;font-size=14px;><b>Buy Information</b></a>';");   
}
function ChangeTDGQ2En()
{
   eval("tdQG.style.backgroundImage='url(/images/GQright.gif)';");
   eval("tdGY.style.backgroundImage='url(/images/GQ.gif)';");
   eval("trGY.style.display='none';");
   eval("trQG.style.display='';" );

   eval("tdQG1.innerHTML='<a href=# style=text-decoration:none;color=2e436e;font-size=14px;><b>Buy Information</b></a>';");   
   eval("tdGY1.innerHTML='<a href=# style=text-decoration:none;color=ffffff;font-size=14px;><b>Provide Information</b></a>';");   
}