window.name="main";

//  CLIENT_SIDE SNIFFER CODE

// convert all characters to lowercase to simplify testing 
var agt=navigator.userAgent.toLowerCase(); 

//BROWSER VERSION
// Note: On IE5, these return 4, so use is_ie5up to detect IE5. 
var is_major = parseInt(navigator.appVersion); 
var is_minor = parseFloat(navigator.appVersion); 

//BROWSER TYPE 
var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1) 
            && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1) 
            && (agt.indexOf('webtv')==-1));
var is_nav4up = (is_nav && (is_major >= 4 ));  
var is_nav5up = (is_nav && (is_major >= 5));
var is_ie   = (agt.indexOf("msie") != -1); 
var is_ie3  = (is_ie && (is_major < 4)); 
var is_ie4  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")==-1) );
var is_ie4up  = (is_ie  && (is_major >= 4));
var is_ie5  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) );  
var is_ie5up  = (is_ie  && !is_ie3 && !is_ie4);  
var is_dom = (document.getElementById);

//PLATFORM 
var is_win   = ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) );
var is_mac    = (agt.indexOf("mac")!=-1);
var is_sun   = (agt.indexOf("sunos")!=-1);
var is_irix  = (agt.indexOf("irix") !=-1);    // SGI
var is_hpux  = (agt.indexOf("hp-ux")!=-1);
var is_aix   = (agt.indexOf("aix") !=-1);      // IBM
var is_linux = (agt.indexOf("inux")!=-1);
var is_sco   = (agt.indexOf("sco")!=-1) || (agt.indexOf("unix_sv")!=-1);
var is_unixware = (agt.indexOf("unix_system_v")!=-1); 
var is_mpras    = (agt.indexOf("ncr")!=-1); 
var is_reliant  = (agt.indexOf("reliantunix")!=-1);
var is_dec   = ((agt.indexOf("dec")!=-1) || (agt.indexOf("osf1")!=-1) || 
       (agt.indexOf("dec_alpha")!=-1) || (agt.indexOf("alphaserver")!=-1) || 
       (agt.indexOf("ultrix")!=-1) || (agt.indexOf("alphastation")!=-1)); 
var is_sinix = (agt.indexOf("sinix")!=-1);
var is_freebsd = (agt.indexOf("freebsd")!=-1);
var is_bsd = (agt.indexOf("bsd")!=-1);
var is_unix  = ((agt.indexOf("x11")!=-1) || is_sun || is_irix || is_hpux || 
             is_sco ||is_unixware || is_mpras || is_reliant || 
             is_dec || is_sinix || is_aix || is_linux || is_bsd || is_freebsd);

		
//preload images for Navigation
var preloadArray = new Array();
var preloadArrayLength = 0;
function preloadImages() {
	if (document.images) {
		var imgName = preloadImages.arguments;
		for (var i=0; i<imgName.length; i++) {
	    	preloadArray[preloadArrayLength] = new Image;
		    preloadArray[preloadArrayLength].src = imgName[i] + ".gif";
			preloadArrayLength++;
		}
	}
}


//if (document.images) {
//       preloadImages(
// "/navi_pics/veranstaltungen_on","/navi_pics/gut_on","/navi_pics/kontakt_on","/navi_pics/aussteller_on");
// }
  

//change head-images at OnMouseOver/OnMouseOut
function imgOn(imgName) {
    document.images[imgName].src="/navi_pics/"+ imgName + "_on.gif" ;
}


function imgOff(imgName) {
    document.images[imgName].src="/navi_pics/"+ imgName + "_off.gif" ;
}


//avoid resize problems with Netscape 4
if (is_nav4up) {
  origWidth = innerWidth;
  origHeight = innerHeight;
}


function reDo() {
  if (innerWidth != origWidth || innerHeight != origHeight) 
  history.go(0);
}


if (is_nav4up) onresize = reDo;


// oeffnet pop up - fenster mit def. hoehe, breite und vorgegebener position
// scrollbars + position 0/0
function sesam(ort,w,h) {
win=window.open(ort,'sesam','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=no,width='+w+',height='+h+',screenX=0,screenY=0,left=0,top=0');
}

//ohne scrollbars
function sesam1(ort,w,h) {
win=window.open(ort,'sesam1','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width='+w+',height='+h+',screenX=50,screenY=200,left=50,top=200');
}


// mit scrollbars
function sesam2(ort,w,h) {
win=window.open(ort,'sesam2','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=no,width='+w+',height='+h+',screenX=50,screenY=200,left=50,top=200');
}