if (document.images) 
{  
img00on = new Image;
img00off = new Image; 

img01on = new Image;
img01off = new Image; 

img02on = new Image;
img02off = new Image; 


img21on = new Image;
img21off = new Image; 

img22on = new Image;
img22off = new Image; 

img23on = new Image;
img23off = new Image; 

img24on = new Image;
img24off = new Image; 

img25on = new Image;
img25off = new Image; 

img26on = new Image;
img26off = new Image; 

img00on.src = "i/buttons/but001.gif";
img00off.src = "i/buttons/but001o.gif"; 

img01on.src = "i/buttons/but002.gif";
img01off.src = "i/buttons/but002o.gif"; 

img02on.src = "i/buttons/but003.gif";
img02off.src = "i/buttons/but003o.gif"; 


img21on.src = "i/buttons/but021.gif";
img21off.src = "i/buttons/but021o.gif"; 

img22on.src = "i/buttons/but022.gif";
img22off.src = "i/buttons/but022o.gif"; 

img23on.src = "i/buttons/but023.gif";
img23off.src = "i/buttons/but023o.gif"; 

img24on.src = "i/buttons/but024.gif";
img24off.src = "i/buttons/but024o.gif";

img25on.src = "i/buttons/but025.gif";
img25off.src = "i/buttons/but025o.gif";

img26on.src = "i/buttons/but026.gif";
img26off.src = "i/buttons/but026o.gif";

}

function imgOutt(imgName) { 

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

	document[imgName].src = imgOff
} 
}