function confermalink(msg)
{
return confirm(msg)
}



function MM_openBrWindow(theURL,winName,features)
{ //v2.0
  window.open(theURL,winName,features);
}



function checkMail( fld ) {
	var email_reg_exp = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-]{2,})+\.)+([a-zA-Z0-9]{2,})+$/;

	if( fld.value ) {
		if (!email_reg_exp.test(fld.value)) {
		  
		   fld.select();
		   return false;
		}
	}
}



function VerificaCampoNum(campo)
{
         if ( campo.value == "" )
         {
                alert( "Inserire un valore numerico." );
                campo.focus();
                return ( false );
         }
         var cifre= "0123456789.";
         var verifica= campo.value;
         var allValid = true;

         var allNum = "";
         for ( i = 0; i < verifica.length; i++ )
         {
                ch = verifica.charAt( i );
                for ( j = 0; j < cifre.length; j++ )
                 if ( ch == cifre.charAt( j ))
                        break;
                if ( j == cifre.length )
                {
                 allValid = false;
                 break;
                }
                allNum += ch;
         }
         if (!allValid)
         {
                alert( "Tipo dato inserito NON VALIDO" );
				campo.style.backgroundColor = "#ef5e60";
                campo.focus();
                return ( false );
         }
        return ( true );
}


function numbersonly(myfield, e, dec) {
  var key;
  var keychar;

  if (window.event)
    key = window.event.keyCode;
  else if (e)
    key = e.which;
  else
    return true;
  keychar = String.fromCharCode(key);

  // control keys
  if ((key==null) || (key==0) || (key==8) || (key==9) || (key==13) || (key==27) )
    return true;

  // numbers
  else if ((("0123456789").indexOf(keychar) > -1))
    return true;

  // decimal point jump
  else if (dec && (keychar == ".")) {
    myfield.form.elements[dec].focus();
    return false;
  } else
    return false;
}