function joomleague_changedoc(docid){
  if (docid != "" && docid.options[docid.options.selectedIndex].value!="") {
    window.location.href = docid.options[docid.options.selectedIndex].value;
  }
}

/**
 * toggle object visibility
 * @param obj the object to show/hide
 */       
function visibleMenu(obj) {
	var joomleague_el = document.getElementById(obj);
	if ( joomleague_el.style.visibility != "hidden" ) {
		joomleague_el.style.visibility = 'hidden';
	}
	else {
		joomleague_el.style.visibility = 'visible';
	}
}
function switchMenu(obj) {
	var joomleague_el = document.getElementById(obj);
	if ( joomleague_el.style.display != "none" ) {
		joomleague_el.style.display = 'none';
	}
	else {
		joomleague_el.style.display = 'block';
	}
}
/* incompatible with mootools
function $() {
  var joomleague_elements = new Array();
  for (var i = 0; i < arguments.length; i++) {
    var joomleague_element = arguments[i];
    if (typeof joomleague_element == 'string')
      joomleague_element = document.getElementById(joomleague_element);
    if (arguments.length == 1)
      return joomleague_element;
    joomleague_elements.push(element);
  }
  return joomleague_elements;
}
*/

/**
 * hide objects
 * @param array objs the objects to hide
 */
function collapseAll(objs) {
  var i;
  for (i=0;i<objs.length;i++ ) {
    objs[i].style.display = 'none';
  }
}

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