if (document.images){
  home_off = new Image();
  home_off.src = '../images/navigation/home_normal.gif';
  home_on = new Image();
  home_on.src = '../images/navigation/home_over.gif';
  
  news_off = new Image();
  news_off.src = '../images/navigation/news_normal.gif';
  news_on = new Image();
  news_on.src = '../images/navigation/news_over.gif';
  
  gsa_off = new Image();
  gsa_off.src = '../images/navigation/gsa_normal.gif';
  gsa_on = new Image();
  gsa_on.src = '../images/navigation/gsa_over.gif';
  
  people_off = new Image();
  people_off.src = '../images/navigation/people_normal.gif';
  people_on = new Image();
  people_on.src = '../images/navigation/people_over.gif';
  
  links_off = new Image();
  links_off.src = '../images/navigation/links_normal.gif';
  links_on = new Image();
  links_on.src = '../images/navigation/links_over.gif';
  
  airlines_off = new Image();
  airlines_off.src = '../images/navigation/airlines_normal.gif';
  airlines_on = new Image();
  airlines_on.src = '../images/navigation/airlines_over.gif';
  
  /*unternaviation gsa*/
  identity_off = new Image();
  identity_off.src = '../images/navigation/identity_normal.gif';
  identity_on = new Image();
  identity_on.src = '../images/navigation/identity_over.gif';
  
  history_off = new Image();
  history_off.src = '../images/navigation/history_normal.gif';
  history_on = new Image();
  history_on.src = '../images/navigation/history_over.gif';
  
  organisation_off = new Image();
  organisation_off.src = '../images/navigation/organisation_normal.gif';
  organisation_on = new Image();
  organisation_on.src = '../images/navigation/organisation_over.gif';
  
  technology_off = new Image();
  technology_off.src = '../images/navigation/technology_normal.gif';
  technology_on = new Image();
  technology_on.src = '../images/navigation/technology_over.gif';
  
  trucking_off = new Image();
  trucking_off.src = '../images/navigation/trucking_normal.gif';
  trucking_on = new Image();
  trucking_on.src = '../images/navigation/trucking_over.gif';
  
  
  
  
  
  /*analog dazu: alle weiteren Bilder*/
}

function changeImages(Image,Object){
  if (document.images) 				
    document[Image].src = Object.src;
}

function popupWindow(url){ 
	window1= window.open(url,'fenster','scrollbars=0,width=600,height=450,left=270,top=100');
	window1.focus();
}