function check(field) 
{
  //var field = document.reg_form.kategorie;
  for (i = 0; i < field.length; i++) 
  {
    field[i].checked = true;
  }
}

function checkout(field) 
{
  //var field = document.reg_form.list;
  for (i = 0; i < field.length; i++) 
	{
    field[i].checked = false; 
	}
}

window.onload = function () {
	if (self.init)
		init();
}

var W3CDOM = (document.createElement && document.getElementsByTagName);

function init() {
	if (!W3CDOM) return;
	var fakeFileUpload = document.createElement('div');
	fakeFileUpload.className = 'fakefile';
	fakeFileUpload.appendChild(document.createElement('input'));
	var image = document.createElement('img');
	image.src='http://i4.cn.cz/protext/prochazet-button.jpg';
	fakeFileUpload.appendChild(image);
	var x = document.getElementsByTagName('input');
	for (var i=0;i<x.length;i++) {
		if (x[i].type != 'file') continue;
		if (x[i].getAttribute('noscript')) continue;
		if (x[i].parentNode.className != 'reg-right2') continue;
		x[i].className = 'file hidden';
		var clone = fakeFileUpload.cloneNode(true);
		x[i].parentNode.appendChild(clone);
		x[i].relatedElement = clone.getElementsByTagName('input')[0];
		if (x[i].value)
			x[i].onchange();
		x[i].onchange =  function () {
			this.relatedElement.value = this.value;
		}
	}
}


//	var fakeFileUpload = document.getElementsClassTagName('fakefile');