function toolOn(toolName){
	if(document.images){
		var i = getImageByName(toolName);
		if(i>=0)document.images[i].src=onToolImgArray[toolName].src;
	}
}
function toolOff(toolName){
	if(document.images){
		var i = getImageByName(toolName);
		if(i>=0)document.images[i].src=offToolImgArray[toolName].src;
	}
	window.status = " ";
}

function onNavigationItem(objName,v)
{
	if(document.getElementById){
		if(v == 0)document.getElementById(objName).style.visibility="visible"; // On
		else      document.getElementById(objName).style.visibility="hidden";  // Off
	}
	else if(document.all){
		if(v == 0)document.all(objName).style.visibility="visible"; // On
		else      document.all(objName).style.visibility="hidden";  // Off
	}

}

function collapseMe(item,directory)
{
	var objDiv = document.getElementById("nv"  + item);
	var objImg = document.getElementById("nvi" + item);
	visible = (objDiv.style.display != "none")
        if(visible){
		objDiv.style.display = 'none';
		objImg.src = directory + "images/plus.gif";
	}
	else {
		objDiv.style.display = 'block';
		objImg.src = directory + "images/minus.gif";
	}
}