function openImg(url,w,h)
{
    w = w+20;
    h = h+20;
    window.open(url,'Fotogalerie','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,copyhistory=no,width='+w+',height='+h+',top=0,left=0');
}


function changePageSize(thisForm)
{
    if (isNaN(thisForm.pageSize.value)) 	return;
    if (thisForm.pageSize.value=="") 		return;
    if (thisForm.pageSize.value<0) 			return;
    thisForm.pageSize.value = parseInt(thisForm.pageSize.value);

    thisForm.submit();
}

function changePageNumber(thisForm,pageNumber)
{
    if (isNaN(pageNumber)) 	return;
    if (pageNumber=="") 	return;
    if (pageNumber<0)		return;
    thisForm.pageNumber.value = parseInt(pageNumber)-1;

    thisForm.submit();
}

function calculate(theForm)
{
    calculValue = 0;
    for (i=2 ; i < theForm.elements.length-3 ; i=i+2)
        calculValue = calculValue + (theForm.elements[i].value * theForm.elements[i+1].value) ;

    if (!isNaN(calculValue))
        {
        if (calculValue>=0) theForm.total.value = calculValue;
        }
}

function Tour(theForm)
{
    if (theForm.total.value==0)
        {
        alert("Vyplňte prosím objednavku!");
        return;
        }

    theForm.submit();
}


function TourOrderCustomer(thisForm)
{
    if (thisForm.__customer_firstName.value=="")
        {
        alert("Zadejte prosím Vaše jméno!");
        thisForm.__customer_firstName.focus();
        return;
        }

    if (thisForm.__customer_lastName.value=="")
        {
        alert("Zadejte prosím Vaše příjmení!");
        thisForm.__customer_lastName.focus();
        return;
        }

    if (thisForm.__customer_nativeNum.value=="")
        {
        alert("Zadejte prosím Vaše rodné číslo!");
        thisForm.__customer_nativeNum.focus();
        return;
        }

    if (thisForm.__customer_street.value=="")
        {
        alert("Zadejte prosím ulici!");
        thisForm.__customer_street.focus();
        return;
        }

    if (thisForm.__customer_streetNr.value=="")
        {
        alert("Zadejte prosím číslo popisné!");
        thisForm.__customer_streetNr.focus();
        return;
        }

    if (thisForm.__customer_city.value=="")
        {
        alert("Zadejte prosím město!");
        thisForm.__customer_city.focus();
        return;
        }

    if (thisForm.__customer_zip.value=="")
        {
        alert("Zadejte prosím PSČ!");
        thisForm.__customer_zip.focus();
        return;
        }

    if (thisForm.__customer_email.value!="")
        {
        mail = new RegExp("^.*[@]+.*[\.]+.{2,4}$");
        if (!mail.test(thisForm.__customer_email.value))
            {
            alert("Zadejte prosím Váš e-mail ve spravném formátu!");
            thisForm.__customer_email.focus();
            return;
            }
        }

   switch(thisForm.__contactType.value)
        {
        case "TEL": if (thisForm.__customer_phone.value=="")
                        {
                        alert("Zadejte prosím Váš telefon!");
                        thisForm.__customer_phone.focus();
                        return;
                        }
                    break;

        case "FAX": if (thisForm.__customer_fax.value=="")
                        {
                        alert("Zadejte prosím Váš fax!");
                        thisForm.__customer_fax.focus();
                        return;
                        }
                    break;

        case "E-MAIL":  if (thisForm.__customer_email.value=="")
                        {
                        alert("Zadejte prosím Váš e-mail !");
                        thisForm.__customer_email.focus();
                        return;
                        }
                    break;
        }

    thisForm.submit();
}


function TourOrderParticipate(thisForm)
{
    if (thisForm.__participate_firstName.value=="")
        {
        alert("Zadejte prosím jméno účastníka!");
        thisForm.__participate_firstName.focus();
        return;
        }

    if (thisForm.__participate_lastName.value=="")
        {
        alert("Zadejte prosím příjmení účastníka!");
        thisForm.__participate_lastName.focus();
        return;
        }

    if (thisForm.__participate_nativeNum.value=="")
        {
        alert("Zadejte prosím rodné číslo!");
        thisForm.__participate_nativeNum.focus();
        return;
        }


    if (thisForm.__participate_street.value=="")
        {
        alert("Zadejte prosím ulici!");
        thisForm.__participate_street.focus();
        return;
        }

    if (thisForm.__participate_streetNr.value=="")
        {
        alert("Zadejte prosím číslo popisné!");
        thisForm.__participate_streetNr.focus();
        return;
        }

    if (thisForm.__participate_city.value=="")
        {
        alert("Zadejte prosím město!");
        thisForm.__participate_city.focus();
        return;
        }

    if (thisForm.__participate_zip.value=="")
        {
        alert("Zadejte prosím PSČ!");
        thisForm.__participate_zip.focus();
        return;
        }


    thisForm.submit();
}