// FUNCTIONS

function showOrHide(layer_ref) {	
		
	if (layer_ref.style.display != 'block' && layer_ref.style.display != '') {
		layer_ref.style.display = 'block';
	}
	else {
		layer_ref.style.display = 'none';
		layer_ref.style.display = 'none';
	}
	
	
}

  function changeSRC(mc,src){
	  $(mc).src = src;
  }
  
    function changeSRC2(mc,src){
	  mc.src = src;
  }