function showHide_top(targetName) {
	if (typeof document.body.style.maxHeight != "undefined") {
	  // IE 7, mozilla, safari, opera 9
	  hideall2();
	} else {
	  // IE6, older browsers
	  document.getElementById('workforce').style.color = '#aeaeae';
	  document.getElementById('vehicle').style.color = '#aeaeae';
	  document.getElementById('asset').style.color = '#aeaeae';
	}

	document.getElementById(targetName).style.color = 'black';
}


function hideall2()
{
	document.getElementById('workforce').style.color = '#aeaeae';
	document.getElementById('vehicle').style.color = '#aeaeae';
	document.getElementById('asset').style.color = '#aeaeae';
}