function aufoderzu (nummer,visibility,image) {
	if(nummer!=null)
	{
		if(visibility==1) document.getElementById(nummer).style.display = "block";
		if(visibility==0) document.getElementById(nummer).style.display = "none";
	}
	if(image!=null)
	{
		changePicture(image);
	}
}

function contentEinAus()
{
  for(var i = 0; i < arguments.length; i++)
  {
  	var display;
  	if(i==0) display = "block";
    else display = "none";
    document.getElementById(arguments[i]).style.display = display;
	}
}

function changePicture(image)
{ 
	if(arguments.length>1) var path=arguments[1];
	else var path="menu";
	if(arguments.length>2) var counter=arguments[2];
	else var counter=0;
	if(arguments.length>3) var pm=arguments[3];
	else var pm=0;
	
	var Suche = image.indexOf("_");
	
	if(Suche>0) 
		var Teil = image.substr(0, Suche);
	else 
		var Teil = image;
	if(pm=="opener_picture")
		Teil = pm;
	else	
		Teil = Teil+"_picture";
	window.document.getElementsByName(Teil)[counter].src = "images/"+path+"/"+image+".gif";
	
//									Alte Version
//	switch(Teil)
//	{
//		case "admin":
//			self.document.admin_picture.src = "images/menu/"+image+".gif";
//		break;
//		case "projectadmin":
//			self.document.projectadmin_picture.src = "images/menu/"+image+".gif";
//		break;
//		case "logout":
//			self.document.logout_picture.src = "images/menu/"+image+".gif";
//		break;
//		case "newsadmin":
//			self.document.newsadmin_picture.src = "images/menu/"+image+".gif";
//		break;
//		case "summary":
//			self.document.summary_picture.src = "images/menu/"+image+".gif";
//		break;
//		case "objectives":
//			self.document.objectives_picture.src = "images/menu/"+image+".gif";
//		break;
//		case "consortium":
//			self.document.consortium_picture.src = "images/menu/"+image+".gif";
//		break;
//		case "login":
//			self.document.login_picture.src = "images/menu/"+image+".gif";
//		break;
//		case "about":
//			self.document.about_picture.src = "images/menu/"+image+".gif";
//		break;
//		case "call":
//			self.document.call_picture.src = "images/menu/"+image+".gif";
//		break;
//		case "introduction":
//			self.document.introduction_picture.src = "images/menu/"+image+".gif";
//		break;
//		case "register":
//			self.document.register_picture.src = "images/menu/"+image+".gif";
//		break;
//		case "project":
//			self.document.project_picture.src = "images/menu/"+image+".gif";
//		break;
//		case "imprint":
//			self.document.imprint_picture.src = "images/menu/"+image+".gif";
//		break;
//		case "news":
//			self.document.news_picture.src = "images/menu/"+image+".gif";
//		break;
//		case "add":
//			self.document.add_picture.src = "images/icons/"+image+".gif";
//		break;
//		case "view":
//			self.document.view_picture.src = "images/icons/"+image+".gif";
//		break;
//		case "edit":
//			self.document.edit_picture.src = "images/icons/"+image+".gif";
//		break;
//		case "delete":
//			self.document.delete_picture.src = "images/icons/"+image+".gif";
//		break;
//		case "calendar":
//			self.document.calendar_picture.src = "images/icons/"+image+".gif";
//		break;
//		case "calendar1":
//			self.document.calendar1_picture.src = "images/icons/"+image+".gif";
//		break;
//	}
}