var sActualImg;
var sActualImgPath;

function MM_swapImgRestore()
{ //v3.0
  var i,x,a=document.MM_sr;
  var bTest = false;
  for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++)
  {
		if (!sActualImg)
		{
			bTest = true;
		}
		else
		{
			bTest = (a[i] != sActualImg);
		}
		if (bTest)
	  	x.src=x.oSrc;
  }
}

function MM_findObj(n, d) { //v3.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
}

function MM_swapImage()
{ //v3.0
  var i,j=0,x,a=MM_swapImage.arguments;
  var bTest = false;
  document.MM_sr=new Array;
  for(i=0;i<(a.length-2);i+=3)
		if ((x=MM_findObj(a[i]))!=null)
		{
			if (!sActualImg)
			{
				bTest = true;
			}
			else
			{
				bTest = (a[i] != sActualImg);
			}
			if (bTest)
			{
				document.MM_sr[j++]=x;
				if(!x.oSrc)
					x.oSrc=x.src;
				x.src=a[i+2];
			}
		}
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function ZweiFrames(URL1,F1,URL2,F2)
{
  parent.frames[F1].location.href=URL1;
  parent.frames[F2].location.href=URL2;
}

function DreiFrames(URL1,F1,URL2,F2,URL3,F3)
{
  parent.frames[F1].location.href=URL1;
  parent.frames[F2].location.href=URL2;
  parent.frames[F3].location.href=URL3;
}

function DreiFramesPlus(URL1,F1,URL2,F2,URL3,F3,IMG_NAME,IMG_PATH,IMG_PATH_ORIG)
{
	DreiFrames(URL1,F1,URL2,F2,URL3,F3);

	var x;
	if (sActualImg)
	{
		if ((x=MM_findObj(sActualImg))!=null)
		{
			x.src=sActualImgPath;
		}
	}


	if ((x=MM_findObj(IMG_NAME))!=null)
	{
		x.src=IMG_PATH;
	}
	sActualImg = IMG_NAME;
	sActualImgPath = IMG_PATH_ORIG;
	document.MM_sr = new Array;
}


function InitNavigator(nIndex)
{
  var sUrl = parent.frames[nIndex].location.href;
  var sImgName;
  nIndex = sUrl.indexOf('navigator-');
  if (nIndex >= 0)
  {
  	sUrl = sUrl.substring(nIndex+10, sUrl.length);
  	nIndex = sUrl.indexOf('.htm');
  	if (nIndex >= 0)
  	{
  		sUrl = sUrl.substring(0, nIndex);
  		sImgName = 'hauptnavi-' + sUrl;
			if ((x=MM_findObj(sImgName))!=null)
			{
				x.src = '../img/hauptnavi-' + sUrl + '-b.gif';
			}
			sActualImg = sImgName;
			sActualImgPath = '../img/hauptnavi-' + sUrl + '.gif';
  	}
  }
}

function checkFrameset()
{
	if(!parent.text)
	{
		if ((location.pathname.search(/titel.htm/) == -1) &&
			(location.pathname.search(/navigator.htm/) == -1))
		{
			
			location.href="http://www.tanztheatertext.ch/htm/naviframeset.html?" + location.pathname;
		}
		else
		{
			location.href="http://www.tanztheatertext.ch/htm/naviframeset.html";
		}
	}
}

function checkFramecall()
{
	var Adressanhang=location.search;
	if(Adressanhang)
	{
		
		frames.text.location.href=Adressanhang.substring(1,Adressanhang.length);
	}
}

function chkFormular()
{	
	if (document.Formular.Name.value.length <3) 
	{
		alert ("Bitte Namen eingeben!");
		document.Formular.Name.focus();
		return false;
	}
	if (document.Formular.Strasse.value.length <5) 
	{
		alert ("Bitte Strasse eingeben!");
		document.Formular.Strasse.focus();
		return false;
	}
	
	if (document.Formular.Ort.value.length <8) 
	{
		alert ("Bitte PLZ und Wohnort eingeben!");
		document.Formular.Ort.focus();
		return false;
	}
	
	if (document.Formular.Email.value.length <3) 
	{
			alert ("Bitte E-mail eingeben!");
			document.Formular.Email.focus();
			return false;
	}
	if (document.Formular.Tel.value.length <3) 
	{
			alert ("Bitte Telefon eingeben!");
			document.Formular.Tel.focus();
			return false;
	}
	return true;
}