//Kontrola
function image(upload)
{
 if(!upload.tos.checked) 
 {
  upload.tos.focus();
  alert("You didn't agree to TOS");
  return false;
 }
 if(!upload.content_type[0].checked && !upload.content_type[1].checked)
 {
  alert("You have to select a content type");
  return false;
 }
}

//Dalsie polia
var i = 5;
function multiupload()
{
 var viac = document.getElementById('viac');
 if(!(i > 45))
 {
  var j = i+4;
  while(i <= j)
  {
   viac.innerHTML += '<input type="file" name="img[]" style="margin-top:2px;"/><br />';
   i++;
  }
 }
}

var ik = 4;
var iks = 5;

//CoverUpload
function coverupload()
{
 if(!(ik > "22"))
 {
  var viac = document.getElementById('viac');
  viac.innerHTML += '<div style="padding-bottom:5px;"><input type="file" name="'+ik+'" style="margin-top:2px;"/><br /><input type="file" name="'+iks+'" style="margin-top:2px;"/></div>';
  ik++;ik++;
  iks++;iks++;
 }
}

//CoverRemote
function coverremote()
{
 if(!(ik > "22"))
 {
  var viac = document.getElementById('viac');
  viac.innerHTML += '<div style="padding-bottom:5px;"><input type="text" name="'+ik+'" style="margin-top:2px;width:175px;"/><br /><input type="text" name="'+iks+'" style="margin-top:2px;width:175px;"/></div>';
  ik++;ik++;
  iks++;iks++;
 }
}

//Highlight
function highlight(field)
{
 field.focus();
 field.select();
 return true;
}

//Resize
var actualWidth = 900; var actualHeight = 1927; var message; var b_fullsize=0;
function tableWidth(minus)
{
 return windowWidth()-minus;
} 

function windowWidth()
{
 if (navigator.appName=="Netscape")
 return window.innerWidth;
 return document.body.offsetWidth;
}

function scaleImg(minus)
{
 what = document.getElementById('show_image');
 actualHeight=what.height; actualWidth=what.width;
 if(fitsInWindow(minus))
  return;

 if(what.width==tableWidth(minus))
 {
  what.width=actualWidth;
  what.height=actualHeight;
 }
 else
 {
  what.style.cursor = "pointer";
  what.width=tableWidth(minus);
  what.height = (actualHeight/actualWidth) * what.width;
 }
}

function showOnclick(minus)
{
what = document.getElementById('show_image');

 if(actualWidth == what.width)
  return scaleImg(minus);
 else if(actualWidth > what.width)
 {
  what.width=actualWidth;
  what.height=actualHeight;
 }
}

function fitsInWindow(minus) 
{
 what = document.getElementById('show_image');
 var  actualWidth= what.width;

 if(actualWidth < tableWidth(minus)) 
 {
  displayWarning("none");
  return true;
 }
 else 
 {
  return false;
 }
}