function MenuTabShow(TabNo, IsHighlighted)
{
	var TabBarName = "MenuTab" + TabNo;
	var TabCanvasName = "MenuTabCanvas" + TabNo;

	if (IsHighlighted)
	{
		document.getElementById(TabBarName).className = "MenuTabOn";
		document.getElementById(TabCanvasName).style.display = 'Block';
	}
	else
	{
		document.getElementById(TabBarName).className = "MenuTabOff";
		document.getElementById(TabCanvasName).style.display = 'none';
	}
}

function MenuTabSwitch(TabNo)
{
	var n = 0;
	do
	{
		n++;
		var itm = document.getElementById("MenuTab" + n);
		if (itm != null)
		{
			if (n==TabNo)
			{
				MenuTabShow(n , true);
			}
			else
			{
				MenuTabShow(n , false);
			}
		}
	}
	while (itm != null)
}



function TabSwitch(TabNo)
{
	var n = 0;
	do
	{
		n++;
		var itm = document.getElementById("Tab" + n);
		if (itm != null)
		{
			if (n==TabNo)
			{
				TabShow(n , true);
			}
			else
			{
				TabShow(n , false);
			}
		}
	}
	while (itm != null)
}

function TabSwitchFocus(TabNo, ControlName)
{
	var n = 0;
	do
	{
		n++;
		var itm = document.getElementById("Tab" + n);
		if (itm != null)
		{
			if (n==TabNo)
			{
				TabShow(n , true);
			}
			else
			{
				TabShow(n , false);
			}
		}
	}
	while (itm != null)
	
	SetControlFocus(ControlName);
}

function SetControlFocus(ControlName)
{
	var ctl = document.getElementById(ControlName);
	ctl.select();
	ctl.focus();
}

function TabShow(TabNo, IsHighlighted)
{
	var TabBarName = "Tab" + TabNo;
	var TabCanvasName = "TabCanvas" + TabNo;

	if (IsHighlighted)
	{
		document.getElementById(TabBarName).className = "TabOn";
		document.getElementById(TabCanvasName).style.display = 'Block';
	}
	else
	{
		document.getElementById(TabBarName).className = "TabOff";
		document.getElementById(TabCanvasName).style.display = 'none';
	}
}