function __ekd(item){
    document.getElementById('ekd').value = '';
    for (var i=0;i<item.length;i++) {
    	if (item.options[i].selected==true) {
    		document.getElementById('ekd').value = document.getElementById('ekd').value + ', ' +item.options[i].value;
    	}
    	
    }
    document.getElementById('ekd').value = document.getElementById('ekd').value.slice(2);
}

function swicz(id){
    if(document.getElementById(id).style.display=='none'){
        document.getElementById(id).style.display = 'block';
    }
    else{
        document.getElementById(id).style.display = 'none';
    }
}

advAJAX.setDefaultParameters({
  mimeType : 'text/plain',
  onInitialization : function(obj) { document.getElementById(obj.tag).innerHTML = ""; },
  onLoading : function(obj) { document.getElementById(obj.tag).innerHTML = ""; },
  onSuccess : function(obj) { document.getElementById(obj.tag).innerHTML = obj.responseText; },
  onError : function(obj) { document.getElementById(obj.tag).innerHTML = "Error: " + obj.status; }
	 });