/***********************************************************/
/** this script is free for any use, but please include  **/
/** a link to i-code.co.uk in any redistribution         **/
/** Author : Stephen Griffin, www.i-code.co.uk           **/
/**********************************************************/

function startmenu()
{
	document.getElementById('menu0').style.display = "none";
	document.getElementById('menu1').style.display = "none";
	document.getElementById('menu2').style.display = "none";
	document.getElementById('menu3').style.display = "none";
	document.getElementById('menu4').style.display = "none";
	document.getElementById('menu5').style.display = "none";
	document.getElementById('menu6').style.display = "none";

}

function menufunc(menuId)
{
	if(document.getElementById(menuId).style.display == "none")
	{
		startmenu();
		document.getElementById(menuId).style.display = "block";
	}
	else
	{
		startmenu();
	}
}

function changeImage(filename)
{
   document.getElementById('mainimage').src = filename;
}