function change(tabID) {
	if (document.getElementById && document.getElementById(tabID) != null) {
		node = document.getElementById(tabID).style.backgroundColor='#999999';
	} else if (document.layers && document.layers[tabID] != null) {
		document.layers[tabID].backgroundColor = '#999999';
	} else if (document.all) {
		document.all[tabID].style.backgroundColor = '#999999';
	}
}

function revert(tabID) {
	if (document.getElementById && document.getElementById(tabID) != null) {
		node = document.getElementById(tabID).style.backgroundColor='#D3D3D3';
	} else if (document.layers && document.layers[tabID] != null) {
		document.layers[tabID].backgroundColor = '#9D3D3D3';
	} else if (document.all) {
		document.all[tabID].style.backgroundColor = '#D3D3D3';
		
	}
}