Validation system.

[whisher]

Ciao.
Che ve ne pare ?

function isEmpty(str) {
   return !/\S/.test(str);
} 
function isValidEmail(str) {
    // [url]http://www.devpro.it/php4_id_2.html[/url]
    return Boolean(str.match(/^([a-z0-9]+[\._\-]?){1,3}([a-z0-9])*\@([a-z0-9]+[\.\-]?){1,3}([a-z0-9])*\.[a-z]{2,6}$/i));
};
function isEmptyV(id,errMsg){
    this.el= document.getElementById(id);
    this.isValid= function(){
        var isValid= true;
        if(isEmpty(this.el.value)){
            this.error= errMsg;
            isValid= false;
        }
        return isValid;
    }
}
function isValidEmailV(id,errMsg){
    this.el= document.getElementById(id);
    this.isValid= function(){
        var isValid= true;
        if(!isValidEmail(this.el.value)){
            this.error= errMsg;
            isValid= false;
        }
        return isValid;
    }
}
function Validator() {
     var validators= [];
    this.errors= [];
    this.values= {};
    this.add= function(objV){
        validators.push(objV);
    }
    this.isValid= function(){
        var isValidFlag= true;
        for(var i=0;i<validators.length;i++){
            if(!validators[i].isValid()){
                this.errors.push({error:validators[i].error,el:validators[i].el});
                isValidFlag= false;
            }
            else{
                this.values[validators[i].el.id]=validators[i].el.value;
            }
        }
        return isValidFlag;
    }
} 

potete trovare un esempio qui