var detect = navigator.userAgent.toLowerCase();
var os,br;

function openInfoWindow(datei) {
  var Suche = datei.indexOf("?");
  if (Suche == -1) {
    datei = datei + "?hbxPopup=true"
  }
  else {
    datei = datei + "&hbxPopup=true"  
  }
  window.open(datei, "Info","width=530,height=310,left=0,top=0,scrollbars=yes");
}  
function openInfoWindowBig(datei) {
  var Suche = datei.indexOf("?");
  if (Suche == -1) {
    datei = datei + "?hbxPopup=true"
  }
  else {
    datei = datei + "&hbxPopup=true"  
  }
  window.open(datei, "Info","width=530,height=530,left=0,top=0,scrollbars=yes");
}  
function openSurveyWindow(datei) {
  var Suche = datei.indexOf("?");
  if (Suche == -1) {
    datei = datei + "?hbxPopup=true"
  }
  else {
    datei = datei + "&hbxPopup=true"  
  }
  window.open(datei, "Umfrage","width=600,height=700,left=0,top=0,scrollbars=yes");
}  
function openImpressionCardWindow(datei) {
  var Suche = datei.indexOf("?");
  if (Suche == -1) {
    datei = datei + "?hbxPopup=true"
  }
  else {
    datei = datei + "&hbxPopup=true"  
  }
  window.open(datei, "ImpressionCard","width=635,height=450,left=0,top=0,scrollbars=no");
}  

function checkIt(string)
{
	place = detect.indexOf(string) + 1;
	thestring = string;
	return place;
}

if (checkIt('win')) os = "Windows";
else if (checkIt('mac')) os = "Mac";
else if (checkIt('x11')) os = "Unix";
else if (checkIt('linux')) os = "Linux";

if(document.layers && os!="Mac"){br="ns4";}
if(document.layers && os=="Mac"){br="ns4mc";}
if(document.getElementById && !document.all && os!="Mac"){br="ns6";}
if(document.styleSheets && document.all && os!="Mac"){br="ie4";}
if(document.styleSheets && document.all && os=="Mac" && !document.getElementById){br="ie4mc";}
if(document.styleSheets && document.all && os=="Mac" && (checkIt('4.5'))){br="ie45mc";}
if(document.styleSheets && document.all && os=="Mac" && document.getElementById){br="ie5mc";}
if(document.all&&!document.styleSheets){br="op";}
if(document.getElementById&&!document.styleSheets){br="op5";}

switch(br)
{
	case"ie4":
	document.writeln("<LINK REL=\"STYLESHEET\" TYPE=\"text/css\" HREF=../../_css/style_ie.css/index.html">");
	break;
	case"ie4mc":
	document.writeln("<LINK REL=\"STYLESHEET\" TYPE=\"text/css\" HREF=../../_css/style_ie.css/index.html">");
	break;
	case"ie45mc":
	document.writeln("<LINK REL=\"STYLESHEET\" TYPE=\"text/css\" HREF=../../_css/style_ie.css/index.html">");
	break;
	case"ie5mc":
	document.writeln("<LINK REL=\"STYLESHEET\" TYPE=\"text/css\" HREF=../../_css/style_ie.css/index.html">");
	break;
	case"ns4":
	document.write("<LINK REL=\"STYLESHEET\" TYPE=\"text/css\" HREF=../../_css/style_ns4.css/index.html">");
	break;
	case"ns6":
	document.write("<LINK REL=\"STYLESHEET\" TYPE=\"text/css\" HREF=../../_css/style_ie.css/index.html">");
	break;
	case"ns4mc":
	document.write("<LINK REL=\"STYLESHEET\" TYPE=\"text/css\" HREF=../../_css/style_ie.css/index.html">");
	break;
	case"op":
	document.write("<LINK REL=\"STYLESHEET\" TYPE=\"text/css\" HREF=../../_css/style_ie.css/index.html">");
	break;
	case"op5":
	document.write("<LINK REL=\"STYLESHEET\" TYPE=\"text/css\" HREF=../../_css/style_ie.css/index.html">");
	break;
	default:
	document.write("<LINK REL=\"STYLESHEET\" TYPE=\"text/css\" HREF=../../_css/style_ie.css/index.html">");
	break;
}

function choose( what )
{
  document.getElementById( 'choose_'+what ).style.display = document.getElementById( 'choose_'+what ).style.display == 'none' ? 'block' : 'none';
  
  if( what == 'language' && document.getElementById( 'choose_country' ).style.display == 'block' )
  {
    document.getElementById( 'choose_country' ).style.display = 'none';
  }
  if( what == 'country' && document.getElementById( 'choose_language' ).style.display == 'block' )
  {
    document.getElementById( 'choose_language' ).style.display = 'none';
  }  
}