// SHOWS/HIDES SUB MENUS WHEN MOUSE ROLLS OVER AND OFF MAIN MENU OPTIONS
// num PARAMETER IS NUMBER OF MAIN MENU OPTION MOUSE HAS ROLLED OVER
function switchMenu(num)
{
	for (count=0; count < 8 ; count++)	//CYCLE THROUGH ALL MENUS
	{
		var whichMenu = "menu" + count;	//BUILD MENU ID
		var whichHeading = "hdg" + count;

		if (count == num)					//IF MOUSE OVER THIS OPTION, MAKE ITS SUB MENU VISIBLE AND SET OPTION COLOUR TO GREEN
		{
			document.getElementById(whichMenu).style.visibility="visible";
			document.getElementById(whichHeading).style.color="#666";
		}
		else								//OTHERWISE HIDE SUB MENU AND SET OPTION COLOUR TO GREY
		{
			document.getElementById(whichMenu).style.visibility="hidden";
			document.getElementById(whichHeading).style.color="#999999";
		}
	}
}
function showServices()
{
	// SERVICES IS SPECIAL CASE, SHOW PANEL ON LOADING PAGE
	document.getElementById('hdg0').style.color="#666";
	document.getElementById('menu0').style.visibility="visible";
}