if (document.images){
on0a=new Image();on0a.src="bluehome.png";
on0b=new Image();on0b.src="darkhome.png";
on1a=new Image();on1a.src="bluecontact.png";
on1b=new Image();on1b.src="darkcontact.png";
on2a=new Image();on2a.src="blueabout.png";
on2b=new Image();on2b.src="darkabout.png";
on3a=new Image();on3a.src="bluecopyright.png";
on3b=new Image();on3b.src="darkcopyright.png";}
function img0a(imgName){imgOn=eval("on0a.src");document [imgName].src=imgOn}
function img0b(imgName){imgOn=eval("on0b.src");document [imgName].src=imgOn}
function img1a(imgName){imgOn=eval("on1a.src");document [imgName].src=imgOn}
function img1b(imgName){imgOn=eval("on1b.src");document [imgName].src=imgOn}
function img2a(imgName){imgOn=eval("on2a.src");document [imgName].src=imgOn}
function img2b(imgName){imgOn=eval("on2b.src");document [imgName].src=imgOn}
function img3a(imgName){imgOn=eval("on3a.src");document [imgName].src=imgOn}
function img3b(imgName){imgOn=eval("on3b.src");document [imgName].src=imgOn}