var browser;

function checkBrowser() {
	if (navigator.appName == "Microsoft Internet Explorer") {
		browser = "IE";
	} else if (navigator.appName == "Netscape") {
		browser = "NS";
	}
	else {
		browser = "NULL";
	}
}

function openPopUp(path,w,h) {
  var isIE=false;
  var isNE=false;
  			
  if(navigator.appName == "Microsoft Internet Explorer") {
  	isIE=true;
  	var option='toolbar=no,statusbar=no,width='+w+',height='+h+',top=245,left=200';
  }
  else if (navigator.appName == "Netscape") {
  	isNE=true
  	var option='toolbar=0,status=0,width='+w+',height='+h+',screenX=245,screenY=200';
  }
  else {
  	var option='toolbar=no,statusbar=no,width='+w+',height='+h+',top=245,left=200';
  }
  			
	window.open(path,'_blank',option);
}


function loginRollOver(id) {
	document.getElementById(id).src='/images/login_over.gif';
}

function loginSwapBack(id) {
	document.getElementById(id).src='/images/login.gif';
}

function showHand(id) {
	document.getElementById(id).style.cursor='pointer';
}

/* Startseite grosses Bild fade-in */

function loadImg() {
	imgId = 'homeBig';
	img = document.getElementById(imgId);
	setOpac(img,56);
	img.style.visibility='visible';
	fadeIn(imgId,56);
}

function fadeIn(objId, opac) {
	if (document.getElementById) {
		obj = document.getElementById(objId);
		if (opac <= 100) {
			setOpac(obj,opac);
			opac += 1.8;
			window.setTimeout("fadeIn('"+objId+"',"+opac+")", 100);
		}
	}
}

function setOpac(obj,opac) {
	opac = (opac == 100)?99.9999:opac;
	
	if (browser == 'IE') {
		obj.style.filter = 'alpha(opacity:'+opac+')';
	}
	else if (browser == 'NS') {
		obj.style.MozOpacity = opac/100;
	}
}

/* END Startseite grosses Bild fade-in */