var buttonRed = new Array();
var buttonGray = new Array();

for (var i=1; i<5; i++) { 
  buttonRed[i]=new Image(84,27);
  buttonGray[i]=new Image(84,27); 
  buttonRed[i].src = '../include/images/button_more.gif';
  buttonGray[i].src = '../include/images/button_more_x.gif';
};


function on(i) {
	document.images['m'+i].src = buttonGray[i].src
};

function off(i) {
  document.images['m'+i].src = buttonRed[i].src
};