/* script (c) by mrx@mawww.de */
function detectBrowser() {
	b = new Object;
	with(navigator) {
		// general
		b.name = appName;
		b.version = appVersion;
		b.platform = platform;
		b.fullid = "Name:" + appName + "\nVersion:" + appVersion + "\nPlatform:" + platform;
		b.v = 0;
		// name
		if(appName.indexOf("Microsoft Internet Explorer") > -1) {
			vers = b.version.match(/MSIE (\d+)\.(\d+)/);
			b.ie = true;
			b.id = "ie";
			b.v = vers[1];
		} else if(appName.indexOf("Netscape") > -1) {
			vers = b.version.match(/^(\d+)\.(\d+)/);
			b.v = vers[1];
			if(vers[1] >= 5) {
				b.mz = true;
				b.id = "mz";
			} else {
				b.ns = true;
				b.id = "ns";
			}
		} else {
			b.other = true;
			b.id = "other";
		}
		// platform
		if(platform == "Win32" || platform == "Win16") {
			b.win = true;
		} else if(platform.indexOf("Mac") > -1) {
			b.mac = true;
		} else {
			b.c64 = true;
		}
	}

	return b;
}
browser = detectBrowser();

var c_width = browser.ns ? 810 : 806;
var c_height = 732;
var c_x = (screen.availWidth / 2) - (c_width / 2);
var c_y = (screen.availHeight / 2) - (c_height / 2);




function checkValue()
{

   if (document.search.search.value == "")
   {
      alert ("Bitte geben Sie einen Suchbegriff ein! Vielen Dank.");
      return false;
   }
   return true;
}