var blanketId = "pageBlanket"; var blanket = document.createElement("div"); blanket.id = blanketId; blanket.name = blanketId; blanket.style.position = "absolute"; blanket.style.width = "100%"; blanket.style.height = "100%"; blanket.style.filter = "alpha(opacity=55)"; //blanket.style.backgroundColor = fadeColor; //blanket.style.visibility = "hidden"; document.body.appendChild(blanket);