if (document.images)
{
	button1In= new Image(181,20);
	button1In.src="images/home.gif";	 
	button1Out= new Image(181,20);
	button1Out.src="images/home_hover.gif";
	
	button2In= new Image(181,20);
	button2In.src="images/skips.gif";	 
	button2Out= new Image(181,20);
	button2Out.src="images/skips_hover.gif";
	
	button3In= new Image(181,20);
	button3In.src="images/roll_onroll_off.gif";	 
	button3Out= new Image(181,20);
	button3Out.src="images/roll_onroll_off_hover.gif";
	
	button4In= new Image(181,20);
	button4In.src="images/guide.gif";	 
	button4Out= new Image(181,20);
	button4Out.src="images/guide_hover.gif";
	
	button5In= new Image(181,20);
	button5In.src="images/trade.gif";	 
	button5Out= new Image(181,20);
	button5Out.src="images/trade_hover.gif";
	
	button6In= new Image(181,20);
	button6In.src="images/recycling.gif";	 
	button6Out= new Image(181,20);
	button6Out.src="images/recycling_hover.gif";
	
	button7In= new Image(181,20);
	button7In.src="<?php echo IMAGE_DIR; ?>links.gif";	 
	button7Out= new Image(181,20);
	button7Out.src="<?php echo IMAGE_DIR; ?>links_hover.gif";
	
	button8In= new Image(181,20);
	button8In.src="images/enquiry_form.gif";	 
	button8Out= new Image(181,20);
	button8Out.src="images/enquiry_form_hover.gif";
	
	button9In= new Image(181,20);
	button9In.src="images/contact_us.gif";	 
	button9Out= new Image(181,20);
	button9Out.src="images/contact_us.gif";

}

function buttonMouseOver(imgName)
{
	imgDown = eval(imgName + "In.src");
	document[imgName].src = imgDown;
}
function buttonMouseOut(imgName)
{
	imgUp = eval(imgName + "Out.src");
	document[imgName].src = imgUp;
}