function getElementsByClass(getClass) {
	var allElements = document.getElementsByTagName("div");
	var elements = new Array();
	var pattern = new RegExp("(^|\\s)"+getClass+"(\\s|$)");
	
	var e = 0;
	for (var i=0; i<allElements.length; i++) {
		if (pattern.test(allElements[i].className) ) {
			elements[e] = allElements[i];
			e++;
		}
	}
	
	return elements;
}

function gallery() {
	var el = getElementsByClass('foto');
	for(var i=0; i<=el.length; i++) {
		if (((i + 1) % 4) == 0) {
			if (el[i] != null) {
				el[i].style.marginRight='0';
			}
		}
	}
}


window.onload = gallery;

function addDocument(){
var inputs = document.getElementById("inputs");
inputs.innerHTML += '<li>Soubor<font color="red"> *</font>:&nbsp;<input type="file" name="documents[]" /> <a style="cursor:pointer;color:blue;" onclick="this.parentNode.parentNode.removeChild(this.parentNode);">Odebrat</a></li>';
}

function addRecord(){
  var record=document.getElementById("recordField");
  if(record.style.display == 'none'){
    record.style.display = 'block';
  } else record.style.display = 'none';
}