window.onload = homeRoll;

var W3CDOM = document.getElementById;

function getObj(idvalue) {
  return document.getElementById(idvalue);
}

function homeRoll() {
  if (!W3CDOM) return;
	var text = getObj('txt');
	var rollimage = getObj('homeimg');
	
	
	rollimage.onmouseover = function() {
    rollimage.style.display = 'none';
		text.style.display = 'block';
  }
	  text.onmouseout = function() {
    text.style.display = 'none';
		rollimage.style.display = 'block';
  }
	

}