if (document.images) 
{
	getacro = new Image(); getacro.src = "media/graphs/getacro.gif";
	getacroover = new Image(); getacroover.src = "media/graphs/getacro_ov.gif";
}

function changeImages(iName, iChange) 
{
	document[iName].src = eval(iChange + ".src");
}