function ChBG(obj,color)
{
	obj.bgColor = color;
}	

function ScrollMenu(HiddenId, ImgId) {
	var oFolder = document.getElementById(HiddenId);
	var oImg = document.getElementById(ImgId);
	if(oFolder == null){		
	}
	else if (oFolder.style.display == "block" || oFolder.style.display == "") {
		oFolder.style.display = "none";
		oImg.src = "/images/collapsed.gif";
		oImg.alt = "mở";
	}			
	else {
		oFolder.style.display = "";
		oImg.src = "/images/expanded.gif";
		oImg.alt = "đóng";
	}		
}

function ScrollMenuEx(HiddenId, ImgId, Action) {
	var oFolder = document.getElementById(HiddenId);
	var oImg = document.getElementById(ImgId);
	if(oFolder == null){		
	}
	else if (Action=="open") {
		oFolder.style.display = "";
		oImg.src = "/images/expanded.gif";
		oImg.alt = "đóng";
	}			
	else {
		oFolder.style.display = "none";
		oImg.src = "/images/collapsed.gif";
		oImg.alt = "mở";		
	}		
}