function changeBg2(image)
{
 	document.getElementById("backend").style.backgroundImage = "url(" + image + ")";

    var object = document.getElementById("content").style;
    object.opacity = (0.8);
    object.MozOpacity = (0.8);
    object.KhtmlOpacity = (0.8);
    object.filter = "alpha(opacity=" + 80 + ")"; 
}

function show(ele)
{
 	var srcElement = document.getElementById(ele);
	if(srcElement != null)
	{
        if(srcElement.style.display == "none")
		{
           srcElement.style.display= 'block';
        }
        else
		{
           srcElement.style.display='none';
        }
		return false;
	}
}