//Rollover Function
var mOverExt="_over.gif";	
var mOutExt="_off.gif"; 
var mOnExt="_on.gif"; 
var imgPath="./";
function mOver(imgName)  { 
	document[imgName].src = imgPath+imgName+mOverExt; 
}

function mOut(imgName)   { 
	document[imgName].src = imgPath+imgName+mOutExt;  
}

function mOn(imgName)   { 
	document[imgName].src = imgPath+imgName+mOnExt;  
}