function HideSub(id)
{
	if(document.getElementById('' + id + '').style.display == "none")
	{
		void(0);
	}
	else
	{
		document.getElementById('' + id + '').style.display = "none";
	}
}

function ShowHideSub(id)
{
	if (document.getElementById('' + id + '').style.display == "none")
	{
		document.getElementById(''+ id + '').style.display = "";
	}
	else
	{
		document.getElementById('' + id + '').style.display = "none";
	}
}

function loadpage(page)
{
	parent.frames['content'].location.href = "content/"+page+"";
}

function HidePic(id)
{
	if(document.getElementById('' + id + '').style.display == "none")
	{
		void(0);
	}
	else
	{
		document.getElementById('' + id + '').style.display = "none";
	}
}

function ShowPic(id)
{
	if(document.getElementById('' + id + '').style.display == "")
	{
		void(0);
	}
	else
	{
		document.getElementById('' + id + '').style.display = "";
	}
}

function chkformular()
{
 if(document.formular.name.value == "")  {
   alert("Bitte Ihren Namen eingeben!");
   document.formular.name.focus();
   return false;
  }
 if(document.formular.email.value == "") {
   alert("Bitte Ihre E-Mail-Adresse eingeben!");
   document.formular.email.focus();
   return false;
  }
 if(document.formular.email.value.indexOf('@') == -1){
   alert("Keine korrekte e-Mail-Adresse!");
   document.formular.email.focus();
   return false;
  }
}