// JavaScript Document
var mnav=function(num){
	var m=document.getElementById('mnav');
	if(m){
		var a=m.getElementsByTagName('a');
		a.item(num).className='sel';
	}
}

//加入收藏夹
function addfavorite(url,title)
{
	if (document.all){ window.external.addFavorite(url,title); 
	}else if (window.sidebar){ window.sidebar.addPanel(title, url, ""); }
}
//利用正则表达式删除空格   
function replaceSpace(str){   
	return str.replace(/\s/g,'');   
}

//客户投诉
var feedback=function(){
	var f=document.getElementById('Form1');
	if(f!=null){
		if(f.name.value==''){
			alert('Please fill in your name!');
			f.name.focus();
			return false;
		}
		if(f.tel.value==''){
			alert('Please fill in your telephone number!');
			f.tel.focus();
			return false;
		}
		if(f.email.value==''){
			alert('Please fill in your Email!');
			f.email.focus();
			return false;
		}
		if(f.remark.value==''){
			alert('Please fill in your message!');
			f.remark.focus();
			return false;
		}
		
		return true;
	}
}

//搜索
var search_ck=function(){
	var kwd=document.getElementById('keywd');
	if(kwd.value==""|kwd.value=="Keyword"){
		alert("Please Fill In Keyword!!");
		kwd.focus();
	}else{
		window.location="products.aspx?kwd="+EncodeUtf8(kwd.value);
	}
}

//--------把中文字符转换成Utf8编码------------------------//
 function EncodeUtf8(s1)
  {
      var s = escape(s1);
      var sa = s.split("%");
      var retV ="";
      if(sa[0] != "")
      {
         retV = sa[0];
      }
      for(var i = 1; i < sa.length; i ++)
      {
           if(sa[i].substring(0,1) == "u")
           {
               retV += Hex2Utf8(Str2Hex(sa[i].substring(1,5)));
               
           }
           else retV += "%" + sa[i];
      }
      
      return retV;
  }
  function Str2Hex(s)
  {
      var c = "";
      var n;
      var ss = "0123456789ABCDEF";
      var digS = "";
      for(var i = 0; i < s.length; i ++)
      {
         c = s.charAt(i);
         n = ss.indexOf(c);
         digS += Dec2Dig(eval(n));
           
      }
      //return value;
      return digS;
  }
  function Dec2Dig(n1)
  {
      var s = "";
      var n2 = 0;
      for(var i = 0; i < 4; i++)
      {
         n2 = Math.pow(2,3 - i);
         if(n1 >= n2)
         {
            s += '1';
            n1 = n1 - n2;
          }
         else
          s += '0';
          
      }
      return s;
      
  }
  function Dig2Dec(s)
  {
      var retV = 0;
      if(s.length == 4)
      {
          for(var i = 0; i < 4; i ++)
          {
              retV += eval(s.charAt(i)) * Math.pow(2, 3 - i);
          }
          return retV;
      }
      return -1;
  } 
  function Hex2Utf8(s)
  {
     var retS = "";
     var tempS = "";
     var ss = "";
     if(s.length == 16)
     {
         tempS = "1110" + s.substring(0, 4);
         tempS += "10" +  s.substring(4, 10); 
         tempS += "10" + s.substring(10,16); 
         var sss = "0123456789ABCDEF";
         for(var i = 0; i < 3; i ++)
         {
            retS += "%";
            ss = tempS.substring(i * 8, (eval(i)+1)*8);
            
            
            
            retS += sss.charAt(Dig2Dec(ss.substring(0,4)));
            retS += sss.charAt(Dig2Dec(ss.substring(4,8)));
         }
         return retS;
     }
     return "";
  }