/* 
 * by ricardo santos da silva
 *
 * versao 1.0
 *
 * requer prototype
 */

/*var toPost = function(_form){
    var elementForParameter=function(e){
        if(e.type=='checkbox'){
            return encodeURI(e.name) + '='  + encodeURI(e.checked);
        }else if(e.name != null && e.value != null)
            return encodeURI(e.name) + '='  + encodeURI(e.value)
        return '';
    }
    var array = _form.elements;
    var retorno = elementForParameter(array[0]);
    for (var i = 1; i < array.length; i++)
        retorno += '&'+elementForParameter(array[i]);
    return retorno;
}

Element.prototype.toPost=function(){
    var elementForParameter=function(e){
        if(e.type=='checkbox'){
            return encodeURI(e.name) + '='  + encodeURI(e.checked);
        }else if(e.name != null && e.value != null)
            return encodeURI(e.name) + '='  + encodeURI(e.value)
        return '';
    }
    var array = this.elements;
    var retorno = elementForParameter(array[0]);
    for (var i = 1; i < array.length; i++)
        retorno += '&'+elementForParameter(array[i]);
    return retorno;
}*/

String.prototype.trim=function(){
    return this.replace(/^ +| +$/g,'')
}