function findObj(name)
{
	var i;
	if(document[name]){
		return document[name];
	}
	if(document.all && document.all[name]){
		return document.all[name];
	}
	for(i=0; i < document.forms.length; i++){
		if(document.forms[i][name]){
			return document.forms[i][name];
		}
	}
	return null;
}


/* Swap image */
var Img_src = new Array();
var Img_obj = new Array();

function swapImg()
{
	var i;
	var j = 0;
	var a = swapImg.arguments;

	restoreImg();

	for(i=0; i<a.length; i+=2){
		var obj = findObj(a[i]);
		if(obj != null){
			Img_obj[j] = obj;
			Img_src[j] = obj.src;
			j++;
			obj.src = a[i+1];
		}
	}
}

function swapMenuImg(a_obj, on_src)
{
	restoreImg();

	var obj;
	if(a_obj.all){
		obj = a_obj.all.tags('img').item(0);
	}else{
		obj = a_obj.getElementsByTagName('img').item(0);
	}

	Img_obj[0] = obj;
	Img_src[0] = obj.src;
	obj.src = on_src;
}

function restoreImg()
{
	var i;
	for(i=0; i<Img_obj.length; i++){
		Img_obj[i].src = Img_src[i];
	}
	Img_src = new Array();
	Img_obj = new Array();
}


/* Chenge Style */
var Style_class = new Array();
var Style_obj   = new Array();

function swapStyle()
{
	var i;
	var j = 0;
	var a = swapStyle.arguments;

	restoreStyle();

	for(i=0; i<a.length; i+=2){
		var obj = document.getElementById(a[i]);
		if(obj != null){
			Style_obj[j]   = obj;
			Style_class[j] = obj.className;
			j++;
			obj.className = a[i+1];
		}
	}
}

function restoreStyle()
{
	var i;
	for(i=0; i<Style_obj.length; i++){
		Style_obj[i].className = Style_class[i];
	}
	Style_class = new Array();
	Style_obj   = new Array();
}