source: admin/WebConsole/jscripts/cadenas.js @ 5d05b06

// *************************************************************************************************************************************************
// Libreria de scripts de Javascript
// Autor: José Manuel Alonso (E.T.S.I.I.) Universidad de Sevilla
// Fecha Creación: 2009-2010
// Fecha Última modificación: Noviembre-2005
// Nombre del fichero: cadenas.js
// Descripción : 
//              Este fichero implementa funciones de uso común para cadenas
// *************************************************************************************************************************************************
function TrimLeft( str ) {
        var resultStr = "";
        var i = len = 0;
        if (str+"" == "undefined" || str == null)       return null;
        str += "";
        if (str.length == 0) 
                resultStr = "";
        else { 
                len = str.length;
                while ((i <= len) && (str.charAt(i) == " "))    i++;
                resultStr = str.substring(i, len);
        }
        return resultStr;
}
//--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
function TrimRight( str ) {
        var resultStr = "";
        var i = 0;
        if (str+"" == "undefined" || str == null)       return null;
        str += "";
        if (str.length == 0) 
                resultStr = "";
        else {
                i = str.length - 1;
                while ((i >= 0) && (str.charAt(i) == " "))      i--;
                resultStr = str.substring(0, i + 1);
        }
        return resultStr; 
        }
//--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
function Trim( str ) {
        var resultStr;
        resultStr = TrimLeft(str);
        resultStr = TrimRight(resultStr);
        return resultStr;
}