var onImages=new Array();
function Rollover(imgName, imgSrc)
{
	onImages[imgName] = new Image();
	onImages[imgName].src = imgSrc;
}

function turnOn(imgName){ 
	if(document.images[imgName].filters != null)
		document.images[imgName].filters[0].apply();
	
	document.images[imgName].offSrc = document.images[imgName].src;
	document.images[imgName].src  = onImages[imgName].src;
	
	if(document.images[imgName].filters != null)
		document.images[imgName].filters[0].play();
}

function turnOff(imgName){ 
	if(document.images[imgName].filters != null)
		document.images[imgName].filters[0].play();
	document.images[imgName].src = document.images[imgName].offSrc;	
}

//Specify name of participating images, plus paths to their onMouseover replacements:
Rollover("vehicle",  "http://www.freestyledesigns.co.uk/images/bath-sign-makers-and-design-services-img2-on.jpg");
Rollover("retail", "http://www.freestyledesigns.co.uk/images/bath-sign-makers-and-design-services-img3-on.jpg");
Rollover("garments", "http://www.freestyledesigns.co.uk/images/bath-sign-makers-and-design-services-img4-on.jpg");
Rollover("banners", "http://www.freestyledesigns.co.uk/images/bath-sign-makers-and-design-services-img5-on.jpg");