// JavaScript Document
function checkForm2(formRef) {
	for(k=0; k < formRef.elements.length; k++) {
        valore = formRef.elements[k].value;
    		nome = formRef.elements[k].name;
    		richiesto = formRef.elements[k].required;
    		if ( richiesto == 1 ) {
		        if(valore == "") {
                formRef.elements[k].style.backgroundColor='#FFCDCD';
				        alert("Riempire correttamente il campo " + formRef.elements[k].name.toUpperCase() ); 
    			      formRef.elements[k].focus();     
    			      return false;
			      }
		    }
	}
  return true;
}

function DateAdd(objDate, strInterval, intIncrement)
    {
        if(typeof(objDate) == "string")
        {
            objDate = new Date(objDate);

            if (isNaN(objDate))
            {
                throw("DateAdd: Date is not a valid date");
            }
        }
        else if(typeof(objDate) != "object" || objDate.constructor.toString().indexOf("Date()") == -1)
        {
            throw("DateAdd: First parameter must be a date object");
        }

        if ( strInterval != "M" && strInterval != "D" && strInterval != "Y" && strInterval != "h" && strInterval != "m" && strInterval != "uM" && strInterval != "uD" && strInterval != "uY" && strInterval != "uh" && strInterval != "um" && strInterval != "us" )
        {
            throw("DateAdd: Second parameter must be M, D, Y, h, m, uM, uD, uY, uh, um or us");
        }

        if(typeof(intIncrement) != "number")
        {
            throw("DateAdd: Third parameter must be a number");
        }

        switch(strInterval)
        {
            case "M":
            objDate.setMonth(parseInt(objDate.getMonth()) + parseInt(intIncrement));
            break;

            case "D":
            objDate.setDate(parseInt(objDate.getDate()) + parseInt(intIncrement));
            break;

            case "Y":
            objDate.setYear(parseInt(objDate.getYear()) + parseInt(intIncrement));
            break;

            case "h":
            objDate.setHours(parseInt(objDate.getHours()) + parseInt(intIncrement));
            break;

            case "m":
            objDate.setMinutes(parseInt(objDate.getMinutes()) + parseInt(intIncrement));
            break;

            case "s":
            objDate.setSeconds(parseInt(objDate.getSeconds()) + parseInt(intIncrement));
            break;

            case "uM":
            objDate.setUTCMonth(parseInt(objDate.getUTCMonth()) + parseInt(intIncrement));
            break;

            case "uD":
            objDate.setUTCDate(parseInt(objDate.getUTCDate()) + parseInt(intIncrement));
            break;

            case "uY":
            objDate.setUTCFullYear(parseInt(objDate.getUTCFullYear()) + parseInt(intIncrement));
            break;

            case "uh":
            objDate.setUTCHours(parseInt(objDate.getUTCHours()) + parseInt(intIncrement));
            break;

            case "um":
            objDate.setUTCMinutes(parseInt(objDate.getUTCMinutes()) + parseInt(intIncrement));
            break;

            case "us":
            objDate.setUTCSeconds(parseInt(objDate.getUTCSeconds()) + parseInt(intIncrement));
            break;
        }
        return objDate;
    }