function showhide() {
if (document.getElementById("content").style.display == "none")
	{
	document.getElementById("content").style.display = "block";
	document.getElementById("contenthelp").style.display = "block";
	document.images["showhide"].src = "fileadmin/template/close.png";
	}
	else {
	document.getElementById("content").style.display = "none";
	document.getElementById("contenthelp").style.display = "none";
	document.images["showhide"].src = "fileadmin/template/show.png";
	}
}