function ie6hover()//ie6下拉专用
 {
    var sfels = document.getelementbyid("mainmenu").getelementsbytagname("li");
    for (var i=0; i<sfels.length; i++) 
        {
          sfels[i].onmouseover=function() {
            this.classname+=" hover";
        }
        sfels[i].onmouseout=function() {
           this.classname=this.classname.replace(new regexp("( ?|^)hover\\b"),"");
        }
      }
 }

function fontzoom(size,lineheight,id)
 {
   var obj=document.getelementbyid(id);
   obj.style.fontsize=size; 
   obj.style.lineheight=lineheight; 
 }

function  showimage(url)
 {
   window.open("/include/showimage.aspx?src="+url, "newwindow", "top=50,left=50,height=550, width=850, toolbar=no, menubar=no, scrollbars=yes, resizable=yes, location=no, status=no") 
 }

function  k_search(language)
 {
 var obj=document.getelementbyid("p_type");
  if(obj.checked)
   {
     if(language=="en")
      {
        en_search_1(language)
      }
     else
      {
        search_1(language)
      }
   }
  else
   {
      if(language=="en")
      {
        en_search_2(language)
      }
     else
      {
        search_2(language)
      }
   }
 }




//-------------------中文版-----------------//
function search_1(language)
 {
  var keycode=escape(trim(document.getelementbyid("search_keycode").value));
   if(keycode=="")
    {
     alert("请输入要搜索的产品名称或型号关键字!");
     return;
    }
   else
    { 
     if(keycode.length<2)
      {
     alert("关键字必须大于2个字符!");
     return;
      }
     else
     {
       location.href="/include/search.aspx?keycode="+keycode+"&type=1&language="+language;
     }
    }
 }

function search_2(language)
 {
  var keycode=escape(trim(document.getelementbyid("search_keycode").value));
   if(keycode=="")
    {
     alert("请输入要搜索的文章标题或简介关键字!");
     return;
    }
   else
    { 
     if(keycode.length<2)
      {
     alert("关键字必须大于2个字符!");
     return;
      }
     else
     {
       location.href="/include/search.aspx?keycode="+keycode+"&type=2&language="+language;
     }
    }
 }


//feedback
 function check_feedback()
  {  

   var fb_value=trim(document.getelementbyid("fb_truename").value);
   if(fb_value=="")
    {
      alert("请输入联系人姓名!");
      document.getelementbyid("fb_truename").focus();
      return false;
    }
   fb_value=trim(document.getelementbyid("fb_tel").value);
   if(fb_value.length<5)
    {
      alert("请输入联系电话!");
      document.getelementbyid("fb_tel").focus();
      return false;
    }

  fb_value=trim(document.getelementbyid("fb_email").value);
   if(fb_value=="")
    {
     alert("请输入您的邮箱!");
     document.getelementbyid("fb_email").focus();
     return false;
     }
     if (fb_value.charat(0)=="." || fb_value.charat(0)=="@" || fb_value.indexof('@', 0) == -1 || fb_value.indexof('.', 0) == -1 || fb_value.lastindexof("@")==fb_value.length-1 || fb_value.lastindexof(".")==fb_value.length-1)
        {
           alert("邮箱格式错误，请重新输入!");
          document.getelementbyid("fb_email").focus();
          return false;
        }

  fb_value=trim(document.getelementbyid("fb_content").value);
   if(fb_value=="")
    {
      alert("请输入留言内容!");
      document.getelementbyid("fb_content").focus();
      return false;
    }

  fb_value=trim(document.getelementbyid("fb_yzm").value);
   if(fb_value=="")
    {
      alert("请输入验证码!");
      document.getelementbyid("fb_yzm").focus();
      return false;
    }


  }
//feedback

//英文版


function en_search_1(language)
 {
  var keycode=escape(trim(document.getelementbyid("search_keycode").value));
   if(keycode=="")
    {
     alert("please enter your search product name or type keywords!");
     return;
    }
   else
    { 
     if(keycode.length<2)
      {
     alert("keyword must be greater than two characters!");
     return;
      }
     else
     {
       location.href="/include/search.aspx?keycode="+keycode+"&type=1&language="+language;
     }
    }
 }

function en_search_2(language)
 {
  var keycode=escape(trim(document.getelementbyid("search_keycode").value));
   if(keycode=="")
    {
     alert("please enter your search to the title of the article or profile keyword!");
     return;
    }
   else
    { 
     if(keycode.length<2)
      {
     alert("keyword must be greater than two characters!");
     return;
      }
     else
     {
       location.href="/include/search.aspx?keycode="+keycode+"&type=2&language="+language;
     }
    }
 }


//feedback
 function en_check_feedback()
  {  

   var fb_value=trim(document.getelementbyid("fb_truename").value);
   if(fb_value=="")
    {
      alert("please enter a contact name!");
      document.getelementbyid("fb_truename").focus();
      return false;
    }
   fb_value=trim(document.getelementbyid("fb_tel").value);
   if(fb_value.length<5)
    {
      alert("please enter a contact telephone!");
      document.getelementbyid("fb_tel").focus();
      return false;
    }

   fb_value=trim(document.getelementbyid("fb_email").value);
   if(fb_value=="")
    {
     alert("please enter your e-mail!");
     document.getelementbyid("fb_email").focus();
     return false;
     }
     if (fb_value.charat(0)=="." || fb_value.charat(0)=="@" || fb_value.indexof('@', 0) == -1 || fb_value.indexof('.', 0) == -1 || fb_value.lastindexof("@")==fb_value.length-1 || fb_value.lastindexof(".")==fb_value.length-1)
        {
           alert("e-mail format error!");
          document.getelementbyid("fb_email").focus();
          return false;
        }

   fb_value=trim(document.getelementbyid("fb_content").value);
   if(fb_value=="")
    {
      alert("please enter a message!");
      document.getelementbyid("fb_content").focus();
      return false;
    }

   fb_value=trim(document.getelementbyid("fb_yzm").value);
   if(fb_value=="")
    {
      alert("please enter the verification code!");
      document.getelementbyid("fb_yzm").focus();
      return false;
    }


  }
//feedback

//评论输入验证
 function check_comments(language)
  {  
   var c_value=trim(document.getelementbyid("c_content").value);
   if(c_value=="")
    {
      if(language=="en")
       {
        alert("please enter a comment!");
       }
      else
       {
        alert("请输入评论内容!");
       }
      document.getelementbyid("c_content").focus();
      return false;
    }
   c_value=trim(document.getelementbyid("c_yzm").value);
   if(c_value=="")
    {
     if(language=="en")
       {
        alert("please enter the verification code!");
       }
      else
       {
        alert("请输入验证码!");
       }
      document.getelementbyid("c_yzm").focus();
      return false;
    }

  }

//自定义表单必填项验证
 function check_zdyform(formname,language)
  { 
   var js1="不能为空!",js2="请输入验证码!";
   var names=document.forms[formname].mustname.value;
   var fields=document.forms[formname].mustfield.value;
   document.forms[formname].zdyform_url.value=location.href;
   var anames,afields,obj;
    if(fields!="")
     {
       anames=names.split(',');
       afields=fields.split(',');
       for(i=0;i<afields.length-1;i++)
        {
          obj=document.forms[formname][afields[i]];
          if(obj.value=="")
           {
            alert(anames[i]+js1); 
            obj.focus();
            return false;
           }
        }
     }
    obj=document.forms[formname].hscode;
    if(obj.value=="1")
     {
       if(trim(document.forms[formname].vcode.value)=="")
        {
          alert(js2); 
          document.forms[formname].vcode.focus();
          return false;
        }
     }

  }

//改变验证码
function code_change(id)
 {
  obj=document.getelementbyid(id);
  if(obj.src.indexof("yzm.aspx")>=0)
   {
    obj.src="/incs/yzm1.aspx";
   }
  else
   {
    obj.src="/incs/yzm.aspx"
   }
 }

//控制pagea_control
function go_page(pagecount,currentpage)
 {
  var p1=document.getelementbyid("p_first");
  var p2=document.getelementbyid("p_prev");
  var p3=document.getelementbyid("p_next");
  var p4=document.getelementbyid("p_last");
   if(currentpage>=pagecount)
    {
      p3.disabled="disabled";
      p3.href="#";
      p4.disabled="disabled";
      p4.href="#";
    }

    if(currentpage<=1)
    {
      p1.disabled="disabled";
      p1.href="#";
      p2.disabled="disabled";
      p2.href="#";
    }
   document.getelementbyid("p_page").selectedindex=currentpage-1;
 }


//基础函数

function trim(str)  //去除空格 
 { 
  var astr=str.split('');
  var str1="";
  for(i=0;i<astr.length;i++)
   {
    str1+=astr[i].replace(" ","");
   }
  return str1;
 }


function change_display(id)
 {
  var obj=document.getelementbyid(id);
  if(obj.style.display=="none")
   {
     obj.style.display="";
   }
  else
   {
     obj.style.display="none";
   }
 }

function isnum(str)
 {
   var str1="0123456789";
   var astr=str.split('');
   for(i=0;i<astr.length;i++)
    {
      if(str1.indexof(astr[i])<0)
       {
        return false;
       }
    }
  return true;

 }

function replaceall(str,str1,str2)
{
  str=str.tolowercase();
  while(str.indexof(str1)>= 0)
  {
   str=str.replace(str1,str2);
  }
  return str;
}