// JavaScript Document
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

// -- pridani do oblibenych
function AddFavorite(linkObj,addUrl,addTitle) 
{ 
  if (document.all && !window.opera) 
  { 
    window.external.AddFavorite(addUrl,addTitle); 
    return false; 
  } 
  else if (window.opera && window.print) 
  { 
    linkObj.title = addTitle; 
    return true; 
  } 
  else if ((typeof window.sidebar == 'object') && (typeof window.sidebar.addPanel == 'function')) 
  { 
    if (window.confirm('Přidat oblíbenou stránku jako nový panel?')) 
    { 
      window.sidebar.addPanel(addTitle,addUrl,''); 
      return false; 
    } 
  } 
  window.alert('Po potvrzení stiskněte CTRL-D,\nstránka bude přidána k vašim oblíbeným odkazům.'); 
  return false; 
}


// -- funkce pro kontrolu validity emailove adresy

function CheckMail(email)
{
	
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (filter.test(email)) {
		return true;
	}
	else {
		return false;
	}
}
function getRadioValue(radio) {
    var radioLength = radio.length;
    var radioVal = "";
    
	if(radioLength == undefined) {
		if(radio.checked)
			radioVal = radio.value;
		else
			radioVal = "";
    }
	for(var i = 0; i < radioLength; i++) {
		if(radio[i].checked) {
			radioVal =  radio[i].value;
		}
	}
    return radioVal;
}

// -- kontrola spravneho vyplneni formulare pro zjisteni ceny produktu

function ZkontrolujFormCena()
{					  
	var FormElement = document.getElementById("CenaForm");


    var radioVal = getRadioValue(FormElement.kalkulaceCeny);


    if (FormElement.pocetBaleni.value == "") {
		alert(FormElement.ErrorMessagePocetBaleni.value);
		return false;
	}

    if (radioVal == '') {
        alert(FormElement.ErrorMessageKalkulaceCeny.value);
		return false;
    } else {
        if (radioVal == 'sDopravou' && FormElement.pscMistaDodani.value == "") {
            alert(FormElement.ErrorMessagePscMistaDodani.value);
            return false;
        }
    }


    if (!(CheckMail(FormElement.email.value))) {
		alert(FormElement.ErrorMessageNotValidEmail.value);
		return false;
	}
	else {
		return true;
	}
	
}

function ZakazMenu()
{
	alert("Copyright 2008 F&V Café, spol. s r.o.");
	
	return false;
}