var defaultText = "";

function init(obj) {
  
  if ( obj == null ) obj = window;
  
	var apn = navigator.appName.toLowerCase();
  if(apn.indexOf("microsoft") != -1) {
		var iframe = obj.document.frames[0];
		
		//iframe.document.body.onload=function () {init()}
		iframe.document.body.onmouseover=function () {obj.showSubNav(null,1)}
		
		var elems = iframe.document.body.all;
		var i;
		//alert(elems.length);
		for(i=0;i<elems.length;i++) {
			elems[i].onmouseover = function () {obj.showSubNav(null,1)}
		}
	}
}

function showSubNav(navID,hidden) {
  var Tbl_SubNav = document.getElementById("SubNavTable");
	if(hidden) {
		Tbl_SubNav.rows[0].cells[0].innerHTML = '';
	} else {
	  var subMenu = document.getElementById("subMenu"+navID);
		Tbl_SubNav.rows[0].cells[0].innerHTML = subMenu.innerHTML;
	}
}

function unloadSubNavBar() {
  // wird nur von seiten innerhalb des Iframes aufgerufen  
  //alert('init');
  init(window)
  //showSubNav(null,1);
}