//preload images
var tinActiveImg = new Image();
tinActiveImg.src = "/images/inaktbg.gif";
var tactiveImg = new Image();
tactiveImg.src = "/images/aktbg.gif";

function settBG(ID, activeState)
{
	
	if (activeState == 1)
	{
		if (document.all) //IE
			document.getElementById(ID).background = tactiveImg.src;
			else
				if (document.getElementById && !document.all) //NS6+
					document.getElementById(ID).style.background = "url(" + tactiveImg.src + ")";
	} else
	  {
			if (document.all) //IE
				document.getElementById(ID).background = tinActiveImg.src;
				else
					if (document.getElementById && !document.all) //NS6+
						document.getElementById(ID).style.background = "url(" + tinActiveImg.src + ")";
	  }	
}