/*
*
*	TRATAMENTO DE ACENTOS NO AJAX
*
*/

    // url_encode version 1.0 
    function url_encode(str) { 
        var hex_chars = "0123456789ABCDEF"; 
        var noEncode = /^([a-zA-Z0-9\_\-\.])$/; 
        var n, strCode, hex1, hex2, strEncode = ""; 

        for(n = 0; n < str.length; n++) { 
            if (noEncode.test(str.charAt(n))) { 
                strEncode += str.charAt(n); 
            } else { 
                strCode = str.charCodeAt(n); 
                hex1 = hex_chars.charAt(Math.floor(strCode / 16)); 
                hex2 = hex_chars.charAt(strCode % 16); 
                strEncode += "%" + (hex1 + hex2); 
            } 
        } 
        return strEncode; 
    } 

    // url_decode version 1.0 
    function url_decode(str) { 
        var n, strCode, strDecode = ""; 

        for (n = 0; n < str.length; n++) { 
            if (str.charAt(n) == "%") { 
                strCode = str.charAt(n + 1) + str.charAt(n + 2); 
                strDecode += String.fromCharCode(parseInt(strCode, 16)); 
                n += 2; 
            } else { 
                strDecode += str.charAt(n); 
            } 
        } 

        return strDecode; 
    }