function focus_input (id)
	{
	if (id == "input_password")
		{
		document.getElementById("input_password_a").checked = "checked";
		}
	if (id == "input_description")
		{
		document.getElementById("input_description_a").checked = "checked";
		}
	document.getElementById(id).value = "";
	document.getElementById(id).style.color = "#000000";
	}

function upload()
	{
	document.getElementById("fehlermeldung").innerHTML = "";
	
	 if (document.getElementById("upload_image").value == "")
	 	{
		document.getElementById("fehlermeldung").innerHTML = "Bitte wählen Sie ein Bild.<br />";
		}	
	else
		{
		ext = new Array();
		ext = document.getElementById("upload_image").value.split(".");
		for(i=0;i<ext.length;i++)
			{
			extension = ext[i];
			}
		extension = extension.toLowerCase();
		if (extension != "jpg" && extension != "jpeg" && extension != "gif" && extension != "png")
			{
			document.getElementById("fehlermeldung").innerHTML = "Es sind nur Grafiken mit den Endungen jpg, jpeg, gif und png erlaubt.<br />";
			}
		else
			{
			document.getElementById("input_submit").style.visibility = "hidden";
			document.getElementById("upload_form").submit();
			}

		}
	 }
	 
function edit_focus(id)
	{
	document.getElementById(id).value = "";
	}

function edit_absenden()
	{
	document.getElementById("fehlermeldung").innerHTML = "";	
	
			if (document.getElementById("file").value == "")
				{
				document.getElementById("fehlermeldung").innerHTML = "Bitte geben Sie den Dateinamen oder die URL ein.";
				}
			else
				{
				if (document.getElementById("password").value == "")
					{
					document.getElementById("fehlermeldung").innerHTML = "Bitte geben Sie ein Passwort ein.";
					}
				else
					{
					document.getElementById("edit_form").submit();
					}
				}
			
			
	}
	
function edit_delete()
	{
	if (document.getElementById("delete_question").style.visibility == "visible")
		{
		document.getElementById("delete_question").style.visibility = "hidden";
		}
	else
		{
		document.getElementById("delete_question").style.visibility = "visible";
		}
	}

function edit_submit2()
	{
	document.getElementById("edit_form").submit();
	}