function setMenuItems()
{
	var array=new Array();
	array[0]='menuhead';
	array[1]='menubus';
	array[2]='menuccar';
	array[3]='menuchauff';
	array[4]='menumhome';
	array[5]='menucaravan';
	array[6]='menutravel';
	array[7]='menugap';
	array[8]='menubuyback';
	array[9]='menutools';
	array[10]='menubreakdown';
	array[11]='menuother';
	return array;
}
function menuselect(menuitem)
{
	var loop;
	var menu;
	var itempanel;
	var items=new Array();
	items=setMenuItems();
	for(loop=0;loop<12;loop++)
	{
		menu=document.getElementById(items[loop]);
		itempanel=document.getElementById(items[loop]+'x');
		if(items[loop]==menuitem)
		{
			menu.className='navmenuselected';
			//this is where the content is appeared
			itempanel.className='navmenucontent';
		}
		else
		{
			menu.className='';
			//this is where the content is vanished
			itempanel.className='navmenucontent offscreen';
		}
	}
}