function GetCookieVal(offset)
//获得Cookie解码后的值
{
var endstr = document.cookie.indexOf (";", offset);
if (endstr == -1)
endstr = document.cookie.length;
return unescape(document.cookie.substring(offset, endstr));
}
function SetCookie(name, value)
//设定Cookie值
{
var expdate = new Date();
var argv = SetCookie.arguments;
var argc = SetCookie.arguments.length;
var expires = (argc > 2) ? argv[2] : null;
var path = (argc > 3) ? argv[3] : null;
var domain = (argc > 4) ? argv[4] : null;
var secure = (argc > 5) ? argv[5] : false;
if(expires!=null) expdate.setTime(expdate.getTime() + ( expires * 1000 ));
document.cookie = name + "=" + escape (value) +((expires == null) ? "" : ("; expires="+ expdate.toGMTString()))
//document.cookie = name + "=" + value +((expires == null) ? "" : ("; expires="+ expdate.toGMTString()))
+((path == null) ? "" : ("; path=" + path)) +((domain == null) ? "" : ("; domain=" + domain))
+((secure == true) ? "; secure" : "");

}

function DelCookie(name)
//删除Cookie
{
var exp = new Date();
//exp.setTime (exp.getTime() - 1);
var cval = GetCookie (name);
document.cookie = name + "=" + cval + "; expires="+ exp.toGMTString();
//document.cookie = name + "=; expires="+ exp.toGMTString();

}



function GetCookie(name)
//获得Cookie的原始值
{
var arg = name + "=";
var alen = arg.length;
var clen = document.cookie.length;
var i = 0;
while (i < clen)
{
var j = i + alen;
if (document.cookie.substring(i, j) == arg)
return GetCookieVal (j);
i = document.cookie.indexOf(" ", i) + 1;
if (i == 0) break;
}
return null;
}





function go_yw_search(keyword,area)
{
 document.getElementById('queryKey').value = keyword;
 document.getElementById('a').value = area;
 document.getElementById('querytype').value = 6;
 //alert(keyword);
 //return false;
 //KeyCheck(document.queryActionForm);
 //return false;
 document.queryActionForm.submit();
 return true;
}

function modi_str(){   if(document.all.text.method.checked){    if(document.all.text.decode.value!=""){     document.all.text.encode.value = UrlEncode(document.all.text.decode.value);    }else{     document.all.text.decode.value = UrlDecode(document.all.text.encode.value);    }   }else{    if(document.all.text.encode.value!=""){     document.all.text.decode.value = UrlDecode(document.all.text.encode.value);    }else{     document.all.text.encode.value = UrlEncode(document.all.text.decode.value);    }   }  } 
String.prototype.GetCount = function(str,mode){ return eval("this.match(/("+str+")/g"+(mode?"i":"")+").length"); }

function UrlDecode(str)
{   
if (str == null) {return "";}
var i,temp;  
var result="";  
for(i=0;i<str.length;i++)
{    
 if(str.charAt(i)=="%")
 {     
  if(str.charAt(++i)=="u")
    {      
     temp=str.charAt(i++) + str.charAt(i++) + str.charAt(i++) + str.charAt(i++) + str.charAt(i);
     result += unescape("%" + temp);     
    }
    else
    {      
     temp = str.charAt(i++) + str.charAt(i);     
     if(eval("0x"+temp)<=160)
     {       
      result += unescape("%" + temp);      
     }
     else
     {       
      temp += str.charAt(++i) + str.charAt(++i) + str.charAt(++i);      
      result += Decode_unit("%" + temp);      
     }     
    }    
   }
   else
   {     
    result += str.charAt(i);
   }  
}  
return result; 
}   
         
         
function UrlEncode(str){  var i,temp,p,q;  var result="";  for(i=0;i<str.length;i++){    temp = str.charCodeAt(i);   if(temp>=0x4e00){     execScript("ascCode=hex(asc(\""+str.charAt(i)+"\"))", "vbscript");    result+=ascCode.replace(/(.{ 2 })/g, "%$1");    }else{     result+=escape(str.charAt(i));    }   }  return result;  }        
         
function Decode_unit(str)
{   
  var p,q = "";  
  if(str.GetCount("%")!=2) return str;  
  p=eval("0x" + str.split("%")[1]);  
  q=eval("0x" + str.split("%")[2]);  
  if(p<160 || q<160) return unescape(str);  
  str=str.replace(/%/g,"");  
  execScript("temp=&H"+str, "vbscript");  
  execScript("result=chr("+temp+")", "vbscript");  
  return result;  
}   
//得到地址栏传递参数的函数
function QueryString(qs)
{
 var s = location.href;
 s = s.replace("?","?&").split("&");
 var re = "";
 var str = "";
 for(i=1;i<s.length;i++)
 if(s[i].indexOf(qs+"=")==0)
 re = s[i].replace(qs+"=","");
 re = UrlDecode(re);
 return re;
}
function QueryStringArea(qs)
{
 var s = location.href;
 s = s.replace("?","?&").split("&");
 var re = "";
 for(i=1;i<s.length;i++)
 if(s[i].indexOf(qs+"=")==0)
 re = s[i].replace(qs+"=","");
 re = UrlDecode(re);
 if (re == "") re= 'B000000CB-全部市';
 
 return re;
}