// //////////////////////////////////////////////////////////////////
// © A.A Productions | aa-product.com
// //////////////////////////////////////////////////////////////////
function $(obj)
{
 try{
     var element = document.getElementById(obj); return element;
    }
    catch(e)
    {
     return e;
    }
}
function $n(obj,tag,index)
{
 if(browser()=='IE')
 {
  var element = document.getElementsByTagName(tag);
  var arr = [];
  for(i=0,iarr=0;i<element.length;i++)
  {
    att = element[i].getAttribute('name');
   if(att==obj) 
   {
    arr[iarr] = element[i];
    iarr++;
   }
  }
  return arr[index];
 }
 else
 {
  try{
      var element = document.getElementsByName(obj)[index]; return element;
     }
     catch(e)
     {
      return e;
     }
 }
}
function browser()
{
 if(navigator.appVersion.indexOf('MSIE')!=-1)
  return 'IE';
 if(navigator.appVersion.indexOf('Chrome')!=-1)
  return 'CH';
 if(navigator.appVersion.indexOf('Apple')!=-1)
  return 'SF';
 if(navigator.appName.indexOf('Netscape')!=-1)
  return 'FF';
 return 'unknow';
}
// ////////////////////////////////////////////////////////////////////////////////////////////
var url_codec = 
{
	encode : function (string)
	{
		return escape(this._utf8_encode(string));
	}
	,
	decode : function (string)
	{
		return this._utf8_decode(unescape(string));
	}
	,
 	_utf8_encode : function (string)
 	{
		string = string.replace(/\r\n/g,"\n");
		var utftext = "";
		for(var n=0; n<string.length; n++) 
		{
		 var c = string.charCodeAt(n);
		 if(c < 128) 
		 {
          utftext += String.fromCharCode(c);
		 }
         else if((c > 127) && (c < 2048)) 
         {
          utftext += String.fromCharCode((c >> 6) | 192);
          utftext += String.fromCharCode((c & 63) | 128);
         }else 
		 {
          utftext += String.fromCharCode((c >> 12) | 224);
          utftext += String.fromCharCode(((c >> 6) & 63) | 128);
          utftext += String.fromCharCode((c & 63) | 128);
	     }
		}
		return utftext;
	}
	,
	_utf8_decode : function (utftext) 
	{
		var string = "";
		var i = 0;
		var c = c1 = c2 = 0;

		while(i < utftext.length)
		{
		 c = utftext.charCodeAt(i);
 		 if(c < 128) 
		 {
		  string += String.fromCharCode(c);
		  i++;
		 }
		 else if((c > 191) && (c < 224))
		 {
		  c2 = utftext.charCodeAt(i+1);
		  string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
		  i += 2;
		 }else
		 {
		  c2 = utftext.charCodeAt(i+1);
		  c3 = utftext.charCodeAt(i+2);
		  string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
		  i += 3;
		 }
		}
		return string;
	}
}