var browserOK = false;
    var pics;

  
    browserOK = true;  
    pics = new Array();



  function imgover(count){  
    if (browserOK) { 
      document.images[pics[count][2]].src=pics[count][1].src;
    }
  }  
  function imgout(count){     
    if (browserOK) { 
      document.images[pics[count][2]].src=pics[count][0].src;
    }  
  }
  function preload(count,name, first, second) { 
    if (browserOK) { 
      pics[count] = new Array(3);   
      pics[count][0] = new Image();   
      pics[count][0].src = first;    
      pics[count][1] = new Image();    
      pics[count][1].src = second;    
      pics[count][2] = name; }  
  }
   
	preload(1,"home", "images/home1.gif", "images/home2.gif");
	preload(2,"charter", "images/charter1.gif", "images/charter2.gif");
	preload(3,"about_us", "images/about_us1.gif", "images/about_us2.gif");
	preload(4,"initiatives", "images/initiatives1.gif", "images/initiatives2.gif");
	preload(5,"calendar", "images/calendar1.gif", "images/calendar2.gif");
	preload(6,"contact_us", "images/contact_us1.gif", "images/contact_us2.gif");