function placeTopMarker( cell )  {
	cell.style.backgroundImage = "url(../../images/layout/top_marker_outline.gif)";
}

function removeTopMarker( cell ) {
	cell.style.backgroundImage = "none";
}

//function placeSideMarker( li )  {
	//li.style.listStyle = "url(../../images/layout/diamond_bullet_outline.gif)";
//}

//function removeSideMarker( li ) {
	//li.style.listStyle = "url(../../images/layout/clear.gif)";
//}

function setDisplay( id, value )  {
	document.getElementById( id ).style.display = value;
}