var imgTB0 = new Array;
var imgTB1 = new Array;
var imgTB2 = new Array;

imgTB0["tbmail"]=new Image(); imgTB0["tbmail"].src="images/tbmail0.gif";
imgTB1["tbmail"]=new Image(); imgTB1["tbmail"].src="images/tbmail1.gif";
imgTB2["tbmail"]=new Image(); imgTB2["tbmail"].src="images/tbmail2.gif";

imgTB0["tbinfo"]=new Image(); imgTB0["tbinfo"].src="images/tbinfo0.gif";
imgTB1["tbinfo"]=new Image(); imgTB1["tbinfo"].src="images/tbinfo1.gif";
imgTB2["tbinfo"]=new Image(); imgTB2["tbinfo"].src="images/tbinfo2.gif";

imgTB0["tbsitem"]=new Image(); imgTB0["tbsitem"].src="images/tbsitem0.gif";
imgTB1["tbsitem"]=new Image(); imgTB1["tbsitem"].src="images/tbsitem1.gif";
imgTB2["tbsitem"]=new Image(); imgTB2["tbsitem"].src="images/tbsitem2.gif";

imgTB0["tbclose"]=new Image(); imgTB0["tbclose"].src="images/tbclose0.gif";
imgTB1["tbclose"]=new Image(); imgTB1["tbclose"].src="images/tbclose1.gif";
imgTB2["tbclose"]=new Image(); imgTB2["tbclose"].src="images/tbclose2.gif";

imgTB0["tbleft"]=new Image(); imgTB0["tbleft"].src="images/tbleft0.gif";
imgTB1["tbleft"]=new Image(); imgTB1["tbleft"].src="images/tbleft1.gif";
imgTB2["tbleft"]=new Image(); imgTB2["tbleft"].src="images/tbleft2.gif";


imgTB0["tbright"]=new Image(); imgTB0["tbright"].src="images/tbright0.gif";
imgTB1["tbright"]=new Image(); imgTB1["tbright"].src="images/tbright1.gif";
imgTB2["tbright"]=new Image(); imgTB2["tbright"].src="images/tbright2.gif";


function fTB0(tb)
{window.document.images[tb].src = imgTB0[tb].src;}

function fTB1(tb)
{window.document.images[tb].src = imgTB1[tb].src;}

function fTB2(tb)
{window.document.images[tb].src = imgTB2[tb].src;}


var pages = new Array();
var pind = 0;
pages[0] = "index";
pages[++pind] = "impressum";
pages[++pind] = "mailbox";

pages[++pind] = "statistikuebungsgenerator";
pages[++pind] = "konvergenzvermutung";
pages[++pind] = "ibf";
pages[++pind] = "cf";

pages[++pind] = "ae1";
pages[++pind] = "ae2";
pages[++pind] = "ah1";
pages[++pind] = "ah2";
pages[++pind] = "advertainment";

pages[++pind] = "abc_materialanalyse";
pages[++pind] = "bed_bes";
pages[++pind] = "real_nominal";

pages[++pind] = "stack";
pages[++pind] = "queue";
pages[++pind] = "tree2";
pages[++pind] = "s_insertion";
pages[++pind] = "s_bubble";
pages[++pind] = "s_selection";
pages[++pind] = "s_quick";

pages[++pind] = "cidr";
pages[++pind] = "vlsm";

pages[++pind] = "GetaktetePasswoerter";

pages[++pind] = "pixellineal";
pages[++pind] = "rundblick";

pages[++pind] = "sitemap";



function goNextPage() {
	var aktPage = window.location.href;
	var p1 = aktPage.lastIndexOf("/")+1;
	var p2 = aktPage.indexOf(".",p1);
	aktPage	= aktPage.substring(p1,p2);
	if(aktPage=="http://www.ww-a.de/") aktPage = "index";
	for (var i=0; i<pages.length; i++) {
		if (aktPage==pages[i]) {
			if (i==pages.length-1) i=0;
			else i++;
			window.location.href = pages[i] + ".htm";
			return;
		}
	}
}

function goPrevPage() {
	var aktPage = window.location.href;
	var p1 = aktPage.lastIndexOf("/")+1;
	var p2 = aktPage.indexOf(".",p1);
	aktPage	= aktPage.substring(p1,p2);
	if(aktPage=="http://www.ww-a.de/") aktPage = "index";
	for (var i=0; i<pages.length; i++) {
		if (aktPage==pages[i]) {
			if (i==0) i=pages.length-1;
			else i--;
			window.location.href = pages[i] + ".htm";
			return;
		}
	}
}