/**
*
*  URL encode / decode
*  http://www.webtoolkit.info/
*
*    Changed encode method  to erase + symbol because of php urlencode();
*
**/
 
var Url = {
 
    
    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) 
	    {
		
		if(c == 43)
		{
			string += ' ';
		}else 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;
    }
 
}
