if (document.images) {
	pic1on = new Image();
	pic1on.src = "images/btn_home_r.jpg";  
	pic1off = new Image();
	pic1off.src = "images/btn_home.jpg";
	
	pic2on = new Image();
	pic2on.src = "images/btn_company_r.jpg";  
	pic2off = new Image();
	pic2off.src = "images/btn_company.jpg";
	
	pic3on = new Image();
	pic3on.src = "images/btn_age-verification_r.jpg";  
	pic3off = new Image();
	pic3off.src = "images/btn_age-verification.jpg";
	
	pic4on = new Image();
	pic4on.src = "images/btn_club-management_r.jpg";  
	pic4off = new Image();
	pic4off.src = "images/btn_club-management.jpg";
	
	pic5on = new Image();
	pic5on.src = "images/btn_atrisk_r.jpg";  
	pic5off = new Image();
	pic5off.src = "images/btn_atrisk.jpg";
	
	pic6on = new Image();
	pic6on.src = "images/btn_support_r.jpg";  
	pic6off = new Image();
	pic6off.src = "images/btn_support.jpg";
}

function turnOn(imgName) {
	if (document.images) {
		imgOn=eval(imgName + "on.src");
		document[imgName].src= imgOn;
	}
 }

function turnOff(imgName) {
	if (document.images) {
		imgOff=eval(imgName + "off.src");
		document[imgName].src= imgOff;
	}
}