var menu = 0;
var menuItems = new Array(53);

menuItems[0] = 'cont1.htm';
menuItems[1] = 'pdf/p01.pdf';
menuItems[2] = 'pdf/p02.pdf';
menuItems[3] = 'pdf/p03.pdf';
menuItems[4] = 'pdf/p04.pdf';
menuItems[5] = 'pdf/p05.pdf';
menuItems[6] = 'pdf/p06.pdf';
menuItems[7] = 'pdf/p07.pdf';
menuItems[8] = 'pdf/p08.pdf';
menuItems[9] = 'pdf/p09.pdf';
menuItems[10] = 'pdf/p10.pdf';
menuItems[11] = 'pdf/p11.pdf';
menuItems[12] = 'pdf/p12.pdf';
menuItems[13] = 'pdf/p13.pdf';
menuItems[14] = 'pdf/p14.pdf';
menuItems[15] = 'pdf/p15.pdf';
menuItems[16] = 'pdf/p16.pdf';
menuItems[17] = 'pdf/p17.pdf';
menuItems[18] = 'pdf/p18.pdf';
menuItems[19] = 'pdf/p19.pdf';
menuItems[20] = 'pdf/p20.pdf';
menuItems[21] = 'pdf/p21.pdf';
menuItems[22] = 'pdf/p22.pdf';
menuItems[23] = 'pdf/p23.pdf';
menuItems[24] = 'pdf/p24.pdf';
menuItems[25] = 'pdf/p25.pdf';
menuItems[26] = 'pdf/p26.pdf';
menuItems[27] = 'pdf/p27.pdf';
menuItems[28] = 'pdf/p28.pdf';
menuItems[29] = 'pdf/p29.pdf';
menuItems[30] = 'pdf/p30.pdf';
menuItems[31] = 'pdf/p31.pdf';
menuItems[32] = 'pdf/p32.pdf';
menuItems[33] = 'pdf/p33.pdf';
menuItems[34] = 'pdf/p34.pdf';
menuItems[35] = 'pdf/p35.pdf';
menuItems[36] = 'pdf/p36.pdf';
menuItems[37] = 'pdf/p37.pdf';
menuItems[38] = 'pdf/p38.pdf';
menuItems[39] = 'pdf/p39.pdf';
menuItems[40] = 'pdf/p40.pdf';
menuItems[41] = 'pdf/p41.pdf';
menuItems[42] = 'pdf/p42.pdf';
menuItems[43] = 'pdf/p43.pdf';
menuItems[44] = 'pdf/p44.pdf';
menuItems[45] = 'pdf/p45.pdf';
menuItems[46] = 'pdf/p46.pdf';
menuItems[47] = 'pdf/p47.pdf';
menuItems[48] = 'pdf/p48.pdf';
menuItems[49] = 'pdf/p49.pdf';
menuItems[50] = 'pdf/p50.pdf';
menuItems[51] = 'pdf/p51.pdf';
menuItems[52] = 'pdf/p52.pdf';


function loadPage(nr)
{
  if(nr>=menuItems.length)
	{
	 alert('Seite nicht vorhanden');
	}
	else
	{
	 menu = nr;
	 parent.frames["cont"].location.href = menuItems[nr];
	}
}
function nextPage()
{
 nr = menu+1;
 loadPage(nr);
}
function prevPage()
{
 nr = menu-1;
 if(nr>=0)
 {
  loadPage(nr);
 }
 else
 {
  alert('Sie sind bereits auf der 1. Seite.');
 }
}