button34Out= new Image();
button34Out.src = "http://www.sheffielddesign.com/images/rollovers/home-off.gif";
button34Over= new Image();
button34Over.src = "http://www.sheffielddesign.com/images/rollovers/home-on.gif";

button36Out= new Image();
button36Out.src = "http://www.sheffielddesign.com/images/rollovers/portfolio-off.gif";
button36Over= new Image();
button36Over.src = "http://www.sheffielddesign.com/images/rollovers/portfolio-on.gif";

button38Out= new Image();
button38Out.src = "http://www.sheffielddesign.com/images/rollovers/services-off.gif";
button38Over= new Image();
button38Over.src = "http://www.sheffielddesign.com/images/rollovers/services-on.gif";

button39Out= new Image();
button39Out.src = "http://www.sheffielddesign.com/images/rollovers/resume-off.gif";
button39Over= new Image();
button39Over.src = "http://www.sheffielddesign.com/images/rollovers/resume-on.gif";

button40Out= new Image();
button40Out.src = "http://www.sheffielddesign.com/images/rollovers/awards-off.gif";
button40Over= new Image();
button40Over.src = "http://www.sheffielddesign.com/images/rollovers/awards-on.gif";

button41Out= new Image();
button41Out.src = "http://www.sheffielddesign.com/images/rollovers/contact-off.gif";
button41Over= new Image();
button41Over.src = "http://www.sheffielddesign.com/images/rollovers/contact-on.gif";


function out(imgName)
{
	if(document.images)
	{
	   	  	document[imgName].src = eval(imgName+'Out.src');
	}
}

function over(imgName)
{
	if(document.images)
	{
	    	    document[imgName].src = eval(imgName+'Over.src');
	}
}