if (document.images) 
	{	
	image0off = new Image();image0off.src = "http://www.edifier.com/sce2009/images/menu_icon_0_1.jpg";
	image0on = new Image();image0on.src = "http://www.edifier.com/sce2009/images/menu_icon_0_2.jpg";
	image1off = new Image();image1off.src = "http://www.edifier.com/sce2009/images/menu_icon_1_1.jpg";
	image1on = new Image();image1on.src = "http://www.edifier.com/sce2009/images/menu_icon_1_2.jpg";
	image2off = new Image();image2off.src = "http://www.edifier.com/sce2009/images/menu_icon_2_1.jpg";
	image2on = new Image();image2on.src = "http://www.edifier.com/sce2009/images/menu_icon_2_2.jpg";
	image3off = new Image();image3off.src = "http://www.edifier.com/sce2009/images/menu_icon_3_1.jpg";
	image3on = new Image();image3on.src = "http://www.edifier.com/sce2009/images/menu_icon_3_2.jpg";
	image4off = new Image();image4off.src = "http://www.edifier.com/sce2009/images/menu_icon_4_1.jpg";
	image4on = new Image();image4on.src = "http://www.edifier.com/sce2009/images/menu_icon_4_2.jpg";
	image5off = new Image();image5off.src = "http://www.edifier.com/sce2009/images/menu_icon_5_1.jpg";
	image5on = new Image();image5on.src = "http://www.edifier.com/sce2009/images/menu_icon_5_2.jpg";
	image6off = new Image();image6off.src = "http://www.edifier.com/sce2009/images/menu_icon_6_1.jpg";
	image6on = new Image();image6on.src = "http://www.edifier.com/sce2009/images/menu_icon_6_2.jpg";
    image7off = new Image();image7off.src = "http://www.edifier.com/sce2009/images/menu_icon_7_1.jpg";
	image7on = new Image();image7on.src = "http://www.edifier.com/sce2009/images/menu_icon_7_2.jpg";
	}

function changeImages() 
	{
  	if (document.images) 
  		{
    	for (var i=0; i<changeImages.arguments.length; i+=2) 
			{
     	 	document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
			}
  		}
	}

function show()
	{
	for(var j = 0 ; j < (arguments.length) ; j++)
		{
		document.getElementById(arguments[j]).style.display = "block";
		}
	}

function unshow()
	{
	for(var k = 0 ; k < (arguments.length) ; k++)
		{
		document.getElementById(arguments[k]).style.display = "none";
		}
	}