var _topLauncher = "topLauncher"
function bodyLoadComplete() {
	topLauncherCheck();
}

function topLauncherCheck(){
	if (document.body.offsetHeight > document.documentElement.clientHeight){
		attachTopLauncher()
		window.onscroll = viewTopLauncher
	}
}

function attachTopLauncher(){
	var topLauncher = document.createElement("a")
	topLauncher.id = _topLauncher
	topLauncher.href = "#top"
	topLauncher.innerHTML = "Back To Top"
	topLauncher.style.display = "none"
	topLauncher.style.position = "fixed"
	document.body.appendChild(topLauncher)
}

function viewTopLauncher(event){
	if (navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion < 7){
		document.getElementById(_topLauncher).style.top = document.documentElement.scrollTop
	}
	if (document.documentElement.scrollTop == 0)
		document.getElementById(_topLauncher).style.display = "none"
	else
		document.getElementById(_topLauncher).style.display = "block"
}