function mOut(index)
{	
	setMout($(eval('image'+index)));	
}

function mOver(index)
{	
	setMo($(eval('image'+index)));	
}

function setMo(image)
{
	//alert(image +  ' '  + image.style.backgroundPosition);	
	image.style.backgroundPosition = "0 -175px";
	//image.style.visibility = "hidden";
}

function setMout(image)
{
	image.style.backgroundPosition = "0 0";
	//image.style.visibility = "show";
}

function $(id)
{
	return document.getElementById(id);
}