var orig_image = new Array('images/but_1a.gif','images/but_2a.gif','images/but_3a.gif','images/but_4a.gif','images/but_5a.gif','images/but_6a.gif','images/but_7a.gif','images/but_8a.gif','images/but_9A.gif');
var swap_image = new Array('images/but_1.gif','images/but_2.gif','images/but_3.gif','images/but_4.gif','images/but_5.gif','images/but_6.gif','images/but_7.gif','images/but_8.gif','images/but_9.gif');
var item = new Array("Services","Philosophy","Articles","Resources","Programs","Personal training","About us","Join up","Coaches","Home");

var orig_men = new Array(orig_image.length);
var swap_men = new Array(swap_image.length);

if (document.images)
{
for (loop=0; loop < swap_image.length; loop++)
	{
	orig_men[loop] = new Image;
	swap_men[loop] = new Image;
	orig_men[loop].src = orig_image[loop]; 
	swap_men[loop].src = swap_image[loop]; 
		}
}

function swap_it(menu_item)
	{
	if (document.images)
		{
		document.images[menu_item+1].src=swap_men[menu_item].src;
		}
	}

function swap_back(menu_item)
	{
	if (document.images)
		{
		document.images[menu_item+1].src=orig_men[menu_item].src;
		}
	}