function toggle( targetId ){
if (document.getElementById){
		var imageSpan = document.getElementById( "dropArrowSpan" );
		target = document.getElementById( targetId );
			if (target.style.display == "none"){
				target.style.display = "";
				imageSpan.style.background = "url(/InterECM/images/collapseBG-down.gif)";
			} else {
				target.style.display = "none";
				imageSpan.style.background = "url(/InterECM/images/collapseBG-right.gif)";
			}
	}
}