/* preverjanje vnosnih polj */
function isEmpty(besedilo, msg)
{
	if (besedilo.value.length == 0)
	{
		alert(msg)
		besedilo.focus()
		return false
	} 
	return true
}

function isEmail(besedilo, msg)
{
	if (besedilo.value.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1)
		return true;
	else
	{
		alert(msg);
		besedilo.focus();
		return false;
	}
}

/*  meni */
function showMenu(id) {
	var i = 0;
	var maxElement = 15;
	if (document.getElementById("menuDetail" + id).style.visibility == "visible") {
		document.getElementById("menuDetail" + id).style.visibility = "hidden";
		document.getElementById("menuDetail" + id).style.display = "none";
		document.getElementById("menuLink" + id).className = "";
	} else {
		for (i=0;i<maxElement;i++) {
			try{
				if (document.getElementById("menuDetail" + i)) {
					document.getElementById("menuDetail" + i).style.visibility = "hidden";
					document.getElementById("menuDetail" + i).style.display = "none";
					document.getElementById("menuLink" + i).className = "";
				}
			}
			catch (err){
			} 			
		}
		document.getElementById("menuDetail" + id).style.visibility = "visible";
		document.getElementById("menuDetail" + id).style.display = "block";
		document.getElementById("menuLink" + id).className = "selected";
	}
}
function isSelected(radio, msg)
{
  blnOK = false
  for (var intIndex = 0; intIndex < radio.length; intIndex++)
  {
    if (radio[intIndex].checked)
    {
      blnOK = true
    }
  }
  if (blnOK)
  {
    return true
  }
  else
  {
    alert(msg)
    return false
  }
}