var imgCounter = 1;
var newImg = "";
var prefix = "imgs/";
var suffix = ".jpg";

var macos = (navigator.platform.indexOf('Mac')!=-1);

var dom = (document.getElementById) ? 1 : 0; 
var ie = (navigator.userAgent.indexOf('MSIE')!=-1);
var ie4x = (document.all && !document.getElementById ) ? 1 : 0; 
var ie50 = (navigator.userAgent.indexOf('MSIE 5.0')!=-1);
var ie51 = (navigator.userAgent.indexOf('MSIE 5.1')!=-1);
var ns4x = (document.layers) ? 1 : 0; 
var ns70 = (navigator.userAgent.indexOf('Netscape/7.0')!=-1);
var other = (!dom && !ie4x && !ns4x ) ? 1 : 0; 
var opera = (navigator.userAgent.indexOf('Opera')!=-1);


// fenstervariablen
var newwin1='';
var newwin2='';
var winOptions = '';
var newwinX = 0;
var newwinY = 0;
var newwinProp = 0;

function checkBrowser(){
	if (ie && macos) {
		top.location.href="browser/browsertrouble.php";
	}
	if (ie4x || ns4x || ns70) {
		top.location.href="browser/browsertrouble.php";
	}
}

function newWin(url) {

	// neues fenster und ggf. andere fenster schliessen
	if (newwin1.closed == false) {
		newwin1.close();
		newwin2=window.open(url,'sr2',winOptions);
		newwin2.focus();
	} else if (newwin2.closed == false) {
		newwin2.close();
		newwin1=window.open(url,'sr1',winOptions);
		newwin1.focus();
	} else {
		newwin1=window.open(url,'sr1',winOptions);
		newwin1.focus();
	}	

}


function openTXT(url) {
	//pfad
	url = 'texte/' + url;

	// fenstereigenschaften
	newwinX = 540;
	newwinY= 660;
	winOptions = 'resizable=yes,scrollbars=yes,';
	winOptions = winOptions + 'toolbar=no,directories=no,menubar=no,'
	winOptions = winOptions + 'width=' + newwinX + ',height=' + newwinY;

	newWin(url);
}

function openAudio(url) {
	//pfad
	url = 'audio/' + url;

	// fenstereigenschaften festlegen
	newwinX = 400;
	newwinY= 280;
	winOptions = 'resizable=no,scrollbars=no,';
	winOptions = winOptions + 'toolbar=no,directories=no,menubar=no,'
	winOptions = winOptions + 'width=' + newwinX + ',height=' + newwinY;
	newWin(url);
}



function nobox(){ 
	if (opera || other){return false;}
	if (ie4x){window.focus();} 
	if (dom){document.getElementById("fixbox").focus();} 
} 


function displayImg(dir,maxImg,imgname) {
	nobox();
	imgCounter = imgCounter + dir;
	if (imgCounter > maxImg) {
		imgCounter = 1;
	} else if (imgCounter < 1) {
		imgCounter = maxImg;
	}
	newImg = prefix + imgname + '/' + imgname + imgCounter + suffix;
	document.images['display'].src = newImg;
}

function winSize(x,y) {
	nobox();
	window.resizeTo(x,y);
}


//e-mail

var mailbefehl = String.fromCharCode(109,97,105,108,116,111,58);
var brief = '';
var briefadresse = '';
var at = String.fromCharCode(64);
var betreff = '?subject=';
var ganzerbrief = '';

var vornamename = new Array();
var firma = new Array();
var land = new Array();
var betreffzeile = new Array();
var linktext = new Array();
var linksymbol = new Array();

vornamename[0] = 's.ryser';
firma[0] = 'sibylleryser';
land[0] = 'ch';
betreffzeile[0] = '';
linktext[0] = '';
linksymbol[0] = '<span class="pfeil"\>&gt;&nbsp;</span\>';

vornamename[1] = 's.ryser';
firma[1] = 'sibylleryser';
land[1] = 'ch';
betreffzeile[1] = 'Bestellung: Eine Kunst f&uuml;r sich';
linktext[1] = 'bestellen';
linksymbol[1] = '';

function insertMailLink(i,txtclass) {
	briefadresse = vornamename[i] + at + firma[i] + '.' + land[i];
	brief = '<a ';
	if (txtclass) { brief = brief + 'class="' + txtclass + '" '; }
	brief = brief + 'href="' + mailbefehl + briefadresse;
	if (betreffzeile[i] != '') { brief = brief + betreff + betreffzeile[i]; }
	brief = brief + '"\>';
	brief = brief + linksymbol[i];
	if (linktext[i] != '') { briefadresse = linktext[i]; }
	ganzerbrief = brief + briefadresse + '<\/a\>';
	return ganzerbrief;
}