function setAction(act){
	var myAction = document.getElementById('txtACTION');
	myAction.value = act;
}

function Trim() { 
return this.replace(/\s+$|^\s+/g,""); 
} 

function LTrim() { 
return this.replace(/^\s+/,""); 
} 

function RTrim() { 
return this.replace(/\s+$/,""); 
} 
    
String.prototype.Trim=Trim;    
String.prototype.RTrim=RTrim;    
String.prototype.LTrim=LTrim;  

function indirizzoEmailValido(indirizzo) {
  if (window.RegExp) {
    var nonvalido = "(@.*@)|(\\.\\.)|(@\\.)|(\\.@)|(^\\.)";
    var valido = "^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$";
    var regnv = new RegExp(nonvalido);
    var regv = new RegExp(valido);
    if (!regnv.test(indirizzo) && regv.test(indirizzo))
      return true;
    return false;
	}
  else {
    if(indirizzo.indexOf("@") >= 0)
      return true;
    return false;
  	}
}

	function chkForm(){
		
		var myTxtEmail = document.getElementById('email').value;

		if (!myTxtEmail.Trim().length){
			alert("Inserire una email valida!")
			return false;
		}

		if (!indirizzoEmailValido(myTxtEmail.Trim())){
			alert("Inserire una email valida!")
			return false;		
		}
			
		return true;
	}