img=new Array(6);
		if (document.images) {
		img[0]=new Image();       
		img[0].src = "Images2/2005/btn_programs_ro.gif";
		img[1]=new Image();       
		img[1].src = "Images2/2005/btn_registration_ro.gif";
		img[2]=new Image();       
		img[2].src = "Images2/2005/btn_sponsors_ro.gif";
		img[3]=new Image();       
		img[3].src = "Images2/2005/btn_forums_ro.gif";
		img[4]=new Image();       
		img[4].src = "Images2/2005/btn_contact_ro.gif";
		img[5]=new Image();       
		img[5].src = "Images2/2005/btn_gallery_ro.gif";
		}
		
		currentIndex = 0;
		oldsrc = "";
		function on(index) {
		if (document.images) {
			currentIndex = index;
			oldSrc = document.images["main"+index].src;
			document.images["main"+index].src = img[index].src;
			}
		}
	
	function off() {
		if(document.images) 
			document.images["main" + currentIndex].src = oldSrc;
		}	
 function newWindow(windowLink) {
    var w = "700";
    var h = "370";
    winprops = 'height='+h+',width='+w+',top=10,left=10,,toolbars=0,scrollbars=0';
    win = window.open(windowLink, 'href', winprops);
    win.focus();
  } 
  
 function newSWindow(windowLink) {
    var w = "700";
    var h = "370";
    winprops = 'height='+h+',width='+w+',top=10,left=10,,toolbars=0,scrollbars=1';
    win = window.open(windowLink, 'href', winprops);
    win.focus();
  }