function getElementById(id)
{
	var obj;
	if(document.all)
	{
        obj = document.all(id);
	}
	else if(document.getElementById)
	{
        obj = document.getElementById(id);
	}
	return obj;
}

function showBranch(branch)
{
	var objBranch = getElementById(branch);
	if(objBranch && objBranch.style)
	{
		if(objBranch.style.display=="block")
				objBranch.style.display="none";
		else
				objBranch.style.display="block";
	}
}
function swapFolderSign(sFolderName)
{
    // var objPlusSign = document.getElementById(sFolderName+"Plus");
    var objPlusSign = getElementById(sFolderName+"Plus");
    if(objPlusSign && objPlusSign.style)
	{
		if(objPlusSign.style.display=="none")
				objPlusSign.style.display="inline"
		else
				objPlusSign.style.display="none"
	    
		objMinusSign = document.getElementById(sFolderName+"Minus");
		if(objMinusSign.style.display=="none")
				objMinusSign.style.display="inline"
		else
				objMinusSign.style.display="none"
	}
}