function CheckBrowser()
{
var is_v4x = false;
var info_window;
var major_version = "";

if (navigator.appVersion.charAt(1) >= "0" && navigator.appVersion.charAt(1) <= "9") {
   major_version = navigator.appVersion.substr(0,2);
} else {
   major_version = navigator.appVersion.charAt(0);
}

is_v4x = Math.abs(major_version) >= 4;

if (!is_v4x) {
   info_window = window.open("browseralert.html","Alert","height=200,width=300,resizable=no")
   }
}

function ConvertDateDot(date)
{
var r_value = "";
var newdate = new Date(date);

r_value = newdate.getDate() + ".";
r_value = r_value + (newdate.getMonth() + 1)  + ".";
r_value = r_value + newdate.getYear();

return r_value;
}

function ConvertDateSlash(date)
{
var r_value = "";
var newdate = new Date(date);

r_value = (newdate.getMonth() + 1) + "/";
r_value = r_value + newdate.getDate()  + "/";
r_value = r_value + newdate.getYear();

return r_value;
}

function ConvertDate(date)
{
if (navigator.language == "de" || navigator.browserLanguage == "de") {
   return ConvertDateDot(date);
} else {
   return ConvertDateSlash(date);
}
}

function GetFileName(url, mode)
{
var FileName = "Skript-Fehler";

if (url.substr(0, 4) == "http") {
   i = url.indexOf('/', 8);
   FileName = url.substring(i, url.length);
	 if (FileName.charAt(FileName.length - 1) == '/') {
	 	  FileName = FileName + "index.html";
	 }
   if (mode == "rel") {
	 	  i = FileName.indexOf("/");
	 	  while (i != -1) {
      		j = i + 1;
      		FileName = FileName.substring(j, url.length);
      		i = FileName.indexOf("/");
   	  }
	 }
} else if (url.substr(0, 4) == "file") {
   FileName = url;
   i = FileName.indexOf("\\");
   if (mode == "rel") {
	 	  while (i != -1) {
      		j = i + 1;
				FileName = FileName.substring(j, url.length);
      		i = FileName.indexOf("\\");
   	  }
	 }
}
return FileName;
}

function getWindowWidth(win)
{
 	var browserName = navigator.appName.toLowerCase();

	if (browserName.indexOf("internet explorer") && eval(navigator.appVersion.substring(0,1)) >= 3) {
		 return win.document.body.clientWidth;
	} else if (browserName.indexOf("netscape") && eval(navigator.appVersion.substring(0,1)) >= 4) {
			 return win.innerWidth;
	} else {
		return -1;
	}
} 

function popUpWindow()
{

    var popUpURL = "http://uni.genone.de/work/sts/survey.html";
	var popUp = true;
	
	if (popUp) {
	   win = window.open(popUpURL, "PopUp_Window");
	}
}