yh1_on	= new Image();		yh1_off	= new Image();
yh2_on	= new Image();		yh2_off	= new Image();
yh3_on	= new Image();		yh3_off	= new Image();
yh4_on	= new Image();		yh4_off	= new Image();
yh5_on	= new Image();		yh5_off	= new Image();
yh6_on	= new Image();		yh6_off	= new Image();



yh1_on.src		= "images/m_on.gif";			yh1_off.src		= "images/m_off.gif";

yh2_on.src		= "images/m_on.gif";			yh2_off.src		= "images/m_off.gif";
yh3_on.src		= "images/m_on.gif";			yh3_off.src		= "images/m_off.gif";
yh4_on.src		= "images/m_on.gif";			yh4_off.src		= "images/m_off.gif";
yh5_on.src		= "images/m_link_home_on.gif";	yh5_off.src		= "images/m_link_home.gif";
yh6_on.src		= "images/m_link_mail_on.gif";	yh6_off.src		= "images/m_link_mail.gif";

function activate(image){
	imagesrc = eval(image + '_on.src');
	document[image].src = imagesrc;
	}

	
function deactivate(image){
	imagesrc = eval(image + '_off.src');
	document[image].src = imagesrc;

	}