function stepOn()
{
	this.src="images\/"+this.id+"_ON.jpg";
}

function stepOff()
{
	this.src="images\/"+this.id+"_OFF.jpg";
}

if(document.getElementById("promotions_icon_ON"))
{
	document.getElementById("co-packing_icon").onmouseover=stepOn;
	document.getElementById("co-packing_icon").onmouseout=stepOff;
	document.getElementById("logistics_icon").onmouseover=stepOn;
	document.getElementById("logistics_icon").onmouseout=stepOff;
}
else if(document.getElementById("co-packing_icon_ON"))
{
	document.getElementById("promotions_icon").onmouseover=stepOn;
	document.getElementById("promotions_icon").onmouseout=stepOff;
	document.getElementById("logistics_icon").onmouseover=stepOn;
	document.getElementById("logistics_icon").onmouseout=stepOff;
}
else if(document.getElementById("logistics_icon_ON"))
{
	document.getElementById("promotions_icon").onmouseover=stepOn;
	document.getElementById("promotions_icon").onmouseout=stepOff;
	document.getElementById("co-packing_icon").onmouseover=stepOn;
	document.getElementById("co-packing_icon").onmouseout=stepOff;
}