// non-jquery bits
function addEvent(obj, evType, fn) { 
    if (obj.addEventListener){
        obj.addEventListener(evType, fn, false); 
        return true;
    } else if (obj.attachEvent){ 
        var r = obj.attachEvent("on"+evType, fn); 
        return r; 
    } else {
        return false;
    }
}

function popup(windowOpts, windowName, url) {
  var dummy = window.open(url, windowName, windowOpts);
  dummy.focus();
}



function clearOnInitialFocus ( fieldName ) {
	var clearedOnce = false;
	if (clearedOnce == false) {
		document.getElementById( fieldName ).value = '';
		clearedOnce = true;
     }		
}

function openWindow (url, width, height) {
 fenster = window.open(url, "fenster1", "width=" + width + ",height=" + height + ",status=no,scrollbars=no,resizable=no");
 fenster.focus();
}