var dir = './presentations/';
var il = 'image_loading.gif';
var slides=new Array();
slides[1] = ["presentation_ima_li_petrol_01.gif"];
slides[2] = ["presentation_ima_li_petrol_02.gif"];
slides[3] = ["presentation_ima_li_petrol_03.gif"];
slides[4] = ["presentation_ima_li_petrol_04.gif"];
slides[5] = ["presentation_ima_li_petrol_05.gif"];
slides[6] = ["presentation_ima_li_petrol_06.gif"];
slides[7] = ["presentation_ima_li_petrol_07.gif"];
slides[8] = ["presentation_ima_li_petrol_08.gif"];
slides[9] = ["presentation_ima_li_petrol_09.gif"];
slides[10] = ["presentation_ima_li_petrol_10.gif"];
slides[11] = ["presentation_ima_li_petrol_11.gif"];
slides[12] = ["presentation_ima_li_petrol_12.gif"];
slides.counter = 12;

var slides2=new Array();
slides2[1] = ["BTC_manana_presentation_bg_01.gif"];
slides2[2] = ["BTC_manana_presentation_bg_02.gif"];
slides2[3] = ["BTC_manana_presentation_bg_03.gif"];
slides2[4] = ["BTC_manana_presentation_bg_04.gif"];
slides2[5] = ["BTC_manana_presentation_bg_05.gif"];
slides2[6] = ["BTC_manana_presentation_bg_06.gif"];
slides2[7] = ["BTC_manana_presentation_bg_07.gif"];
slides2[8] = ["BTC_manana_presentation_bg_08.gif"];
slides2[9] = ["BTC_manana_presentation_bg_09.gif"];
slides2[10] = ["BTC_manana_presentation_bg_10.gif"];
slides2[11] = ["BTC_manana_presentation_bg_11.gif"];
slides2[12] = ["BTC_manana_presentation_bg_12.gif"];
slides2[13] = ["BTC_manana_presentation_bg_13.gif"];
slides2[14] = ["BTC_manana_presentation_bg_14.gif"];
slides2[15] = ["BTC_manana_presentation_bg_15.gif"];
slides2[16] = ["BTC_manana_presentation_bg_16.gif"];
slides2[17] = ["BTC_manana_presentation_bg_17.gif"];
slides2[18] = ["BTC_manana_presentation_bg_18.gif"];
slides2[19] = ["BTC_manana_presentation_bg_19.gif"];
slides2[20] = ["BTC_manana_presentation_bg_20.gif"];
slides2[21] = ["BTC_manana_presentation_bg_21.gif"];
slides2[22] = ["BTC_manana_presentation_bg_22.gif"];
slides2[23] = ["BTC_manana_presentation_bg_23.gif"];
slides2.counter = 23;
var c_slide =new Array();
var maxnum;
var num=1;

function showpr(pr) {
if (pr==1) {
  c_slide = [];
  c_slide = slides;
  maxnum = slides.counter;
  document.getElementById('pr_name').innerHTML = "<b>ИМА ЛИ ПЕТРОЛ ЗА БАЛКАНСКИТЕ ПЕТРОЛОПРОВОДИ?</b> <br />Петко Ковачев, Институт за Зелена Политика, София, България";
} else if (pr==2){
  c_slide = [];
  c_slide = slides2;
  maxnum = slides2.counter;
  document.getElementById('pr_name').innerHTML = "<b>ПЕТРОЛОПРОВОД БАКУ-ТБИЛИСИ-ДЖЕЙХАН</b> <br />2008 Манана Кохладзе, Асоциация “Зелена алтернатива,” Грузия";
}
document.getElementById('pagenumber').innerHTML = 'slide 1 of '+maxnum;
document.getElementById('pr_block').style.display = 'block';
document.getElementById('pr_container').src=dir+c_slide[1];
num = 1;
}

function prNext()
{
num++;
if (num==(maxnum+1)) {num=1;}
document.getElementById('pr_container').src=dir+il;
document.getElementById('pr_container').src=dir+c_slide[num];
document.getElementById('pagenumber').innerHTML = 'slide '+num+' of '+maxnum;
}

function prBack()
{
num--;
if (num==0) {num=maxnum;}
document.getElementById('pr_container').src=dir+il;
document.getElementById('pr_container').src=dir+c_slide[num];
document.getElementById('pagenumber').innerHTML = 'slide '+num+' of '+maxnum;
}