function activateTab(shID) {
	document.getElementById('TabInner1').style.visibility = 'hidden';
	document.getElementById('TabInner2').style.visibility = 'hidden';
	document.getElementById('TabInner3').style.visibility = 'hidden';
	document.getElementById('TabInner'+shID).style.visibility = 'visible';


	var onode;
	onode = document.getElementById('Tab1');
    onode.className = "TabNormal";
	onode = document.getElementById('Tab2');
    onode.className = "TabNormal";
	onode = document.getElementById('Tab3');
    onode.className = "TabNormal";
    onode = document.getElementById('Tab'+shID);
    onode.className = "TabActive";
}