function delete_user(ID,Nick) {
var answer = confirm(Nick+" löschen?")
	if (answer){
		alert("Eintrag gelöscht")
		window.location = "acp.php?action=del&id="+ID;
	}
}

 function feldleer(feld)
 {
 	if (feld.value != "")
 	{
 		return true;
 	}
 	else
 	{
 		return false;
 	}
 }

function loading_bar(formular){
	if (feldleer(formular.tbx_question) == true){
		 document.getElementById('upload_btn').style.display='none';
		 document.getElementById("loading_pic").style.display = '';
	}
	
	if (feldleer(formular.tbx_question) == false){
		document.getElementById('upload_btn').style.display='';
		document.getElementById("loading_pic").style.display = 'none';
	}

}

function refreshimage(){
document.getElementById('captcha_image').src = document.getElementById('captcha_image').src + '#';
}