//rollover.js adapted for button rollovers for the Mission Messenger Index page


NS4 = (document.layers);
IE4 = (document.all);
ver4 = (NS4 || IE4);
browserOK = document.images;
isMac = (navigator.appVersion.indexOf("Mac") != -1);

  // ok, we have a JavaScript browser
  var browserOK = false;
  var pics;
  if (ver4) browserOK = true;
  pics = new Array();

var objCount = 0;

function preload(name, first, second, third) {  
  if (browserOK) {     
    pics[objCount] = new Array(4);
    pics[objCount][0] = new Image();
    pics[objCount][0].src = first;
    pics[objCount][1] = new Image();
    pics[objCount][1].src = second;
	pics[objCount][2] = new Image();
    pics[objCount][2].src = third;
    pics[objCount][3] = name;
    objCount++;
  }
}

function on(name){
  if (browserOK) {
     for (i = 0; i < objCount; i++) {
      if (document.images[pics[i][3]] != null)
        if (name != pics[i][3]) { 
          // set back all other images
          document.images[pics[i][3]].src = pics[i][0].src;
        } else {
           // show the second image
           document.images[pics[i][3]].src = pics[i][1].src;
        }
    }
  }
}

function off(){
  if (browserOK) {
     for (i = 0; i < objCount; i++) {
      // set back all images
      if (document.images[pics[i][3]] != null) 
        document.images[pics[i][3]].src = pics[i][0].src;
    }
  }
}

function down(name){
  if (browserOK) {
     for (i = 0; i < objCount; i++) {
      if (document.images[pics[i][3]] != null)
        if (name != pics[i][3]) { 
          // set back all other images
          document.images[pics[i][3]].src = pics[i][0].src;
        } else {
           // show the second image
           document.images[pics[i][3]].src = pics[i][2].src;
        }
    }
  }
}

// preload images - you have to specify which images should be preloaded
// and which Image-object on the web-page they belong to (this is the first
// argument). 

// mission messenger button
preload("button-mm3s", "buttons/btn-mm3s-off.png", "buttons/btn-mm3s-ov.png", 
		"buttons/btn-mm3s-dn.png");
// calendar page buttons
preload("button-cal", "buttons/btn-calendar-off.jpg", "buttons/btn-calendar-ov.jpg",
		"buttons/btn-calendar-dn.jpg");	
preload("button-planner", "buttons/btn-planner-off.jpg", "buttons/btn-planner-ov.jpg",
		"buttons/btn-planner-dn.jpg");
preload("button-tutor-cal", "buttons/btn-tutor-cal-off.jpg", "buttons/btn-tutor-cal-ov.jpg",
		"buttons/btn-tutor-cal-dn.jpg");

// Documents tab buttons
preload("button-agendas", "buttons/btn-AgendasMinutes-off.jpg", "buttons/btn-AgendasMinutes-ov.jpg",
		"buttons/btn-AgendasMinutes-dn.jpg");	
preload("button-bylaws", "buttons/btn-bylaws-off.jpg", "buttons/btn-bylaws-ov.jpg",
		"buttons/btn-bylaws-dn.jpg");	
preload("button-nitro-act", "buttons/btn-nitro-act-off.jpg", "buttons/btn-nitro-act-ov.jpg",
		"buttons/btn-nitro-act-dn.jpg");	

/*		
		
preload("button-mgsite", "buttons/btn-mgsite-off.jpg", "buttons/btn-mgsite-ov.jpg",
		"buttons/btn-mgsite-dn.jpg");			
preload("button-mgsite-s", "buttons/btn-mgsite-s-off.jpg", "buttons/btn-mgsite-s-ov.jpg",
		"buttons/btn-mgsite-s-dn.jpg");			
preload("button-forms", "buttons/btn-forms-off.jpg", "buttons/btn-forms-ov.jpg",
		"buttons/btn-forms-dn.jpg");
preload("button-sound", "buttons/btn-sound-s-off.jpg", "buttons/btn-sound-s-ov.jpg",
		"buttons/btn-sound-s-dn.jpg");
preload("button-mentoring", "buttons/btn-mentoring-off.jpg", "buttons/btn-mentoring-ov.jpg",
		"buttons/btn-mentoring-dn.jpg");
preload("button-KidsKamp", "buttons/btn-KidsKamp-off.jpg", "buttons/btn-KidsKamp-ov.jpg",
		"buttons/btn-KidsKamp-dn.jpg");
preload("button-eggHunt", "buttons/btn-eggHuntR-off.jpg", "buttons/btn-eggHuntR-ov.jpg",
		"buttons/btn-eggHuntR-dn.jpg");
preload("button-tips", "buttons/btn-tips-off.png", "buttons/btn-tips-ov.png",
		"buttons/btn-tips-dn.png");	
preload("button-who", "buttons/btn-whoswho-off.jpg", "buttons/btn-whoswho-ov.jpg",
		"buttons/btn-whoswho-dn.jpg");	
preload("button-missive", "buttons/btn-missive-off.jpg", "buttons/btn-missive-ov.jpg",
		"buttons/btn-missive-dn.jpg");	
preload("button-casafaces", "buttons/btn-casafaces-off.jpg", "buttons/btn-casafaces-ov.jpg",
		"buttons/btn-casafaces-dn.jpg");	
preload("button-mm", "buttons/btn-mm-off.jpg", "buttons/btn-mm-ov.jpg",
		"buttons/btn-mm-dn.jpg");
*/