function preLoad()
{
	var aImages = new Array();

	aImages[0] = new Image();
	aImages[0].src = 'images/b_blanks_on.gif'
	aImages[1] = new Image();
	aImages[1].src = 'images/b_channel_on.gif'
	aImages[2] = new Image();
	aImages[2].src = 'images/b_road_on.gif'
	aImages[3] = new Image();
	aImages[3].src = 'images/b_tray_on.gif'
	aImages[4] = new Image();
	aImages[4].src = 'images/b_posts_on.gif'
	aImages[5] = new Image();
	aImages[5].src = 'images/b_bespoke_on.gif'
	aImages[6] = new Image();
	aImages[6].src = 'images/b_contact_on.gif'
	aImages[7] = new Image();
	aImages[7].src = 'images/b_introduction_on.gif'
}

function mouseOver(sImg)
{
	document.getElementById('img_' + sImg).setAttribute("src", 'images/b_'+sImg+'_on.gif');
}

function mouseOut(sImg)
{
	document.getElementById('img_' + sImg).setAttribute("src", 'images/b_'+sImg+'_off.gif');
}