var img1=new Image()
img1.src="images/plus.gif"
var img2=new Image()
img2.src="images/minus.gif"
var img3=new Image()
img3.src="images/angle.gif"



function change1() {

var map1_2 = document.getElementById("header_2");
var map1_3 = document.getElementById("header_3");
var map1_4 = document.getElementById("header_4");
var map1_5 = document.getElementById("header_5");
var map1_6 = document.getElementById("header_6");
var map1_7 = document.getElementById("header_7");
var map1_8 = document.getElementById("header_8");
var map1_9 = document.getElementById("header_9");
var map1_10 = document.getElementById("header_10");
var map1_11 = document.getElementById("header_11");
 
   if (map1_2.style.display=="none") {
         map1_2.style.display="";
		 map1_3.style.display="";
		 map1_4.style.display="";
		 map1_5.style.display="";
		 map1_6.style.display="";
		 map1_7.style.display="";
		 map1_8.style.display="";
		 map1_9.style.display="";
		 map1_10.style.display="";
		 map1_11.style.display="";
		 document.images.main.src="images/minus.gif";		 
      }
      else {
         map1_2.style.display="none";
		 map1_3.style.display="none";
		 map1_4.style.display="none";
		 map1_5.style.display="none";
		 map1_6.style.display="none";
		 map1_7.style.display="none";
		 map1_8.style.display="none";
		 map1_9.style.display="none";
		 map1_10.style.display="none";
		 map1_11.style.display="none";
         document.images.main.src="images/plus.gif";
      }
   }

function change2() {

var map1_2 = document.getElementById("inside");


   if (map1_2.style.display=="none") {
         map1_2.style.display="";
         document.images.main_2.src="images/minus.gif";
      }
      else {
         map1_2.style.display="none";
         document.images.main_2.src="images/plus.gif";
      }
   }
   
function change3() {

var map1_2 = document.getElementById("inside_2");


   if (map1_2.style.display=="none") {
         map1_2.style.display="";
         document.images.sert.src="images/minus.gif";
      }
      else {
         map1_2.style.display="none";
         document.images.sert.src="images/plus.gif";
      }
   }

function change4() {

var map1_2 = document.getElementById("inside_3");


   if (map1_2.style.display=="none") {
         map1_2.style.display="";
         document.images.study.src="images/minus.gif";
      }
      else {
         map1_2.style.display="none";
         document.images.study.src="images/plus.gif";
      }
   }
   
function change5() {

var map1_2 = document.getElementById("inside_4");


   if (map1_2.style.display=="none") {
         map1_2.style.display="";
         document.images.links.src="images/minus.gif";
      }
      else {
         map1_2.style.display="none";
         document.images.links.src="images/plus.gif";
      }
   }
   
function change_prod() {

var map1 = document.getElementById("header_razb");
var map2 = document.getElementById("header_payan");
var map3 = document.getElementById("header_svar");
var map4 = document.getElementById("header_punkt");
var map5 = document.getElementById("header_kran");
var map6 = document.getElementById("header_nasos");
 
   if (map1.style.display=="none") {
         map1.style.display="";
		 map2.style.display="";
		 map3.style.display="";
		 map4.style.display="";
		 map5.style.display="";
		 map6.style.display="";
		 document.images.prod.src="images/minus.gif";		 
      }
      else {
         map1.style.display="none";
		 map2.style.display="none";
		 map3.style.display="none";
		 map4.style.display="none";
		 map5.style.display="none";
		 map6.style.display="none";
         document.images.prod.src="images/plus.gif";
      }
   }

function change_razb() {

var map1 = document.getElementById("inside_VT");
var map2 = document.getElementById("inside_VX");
var map3 = document.getElementById("inside_FF");
var map4 = document.getElementById("inside_NT");

   if (map1.style.display=="none") {
         map1.style.display="";
		 map2.style.display="";
		 map3.style.display="";
		 map4.style.display="";
		 document.images.razb.src="images/minus.gif";		 
      }
      else {
         map1.style.display="none";
		 map2.style.display="none";
		 map3.style.display="none";
		 map4.style.display="none";
         document.images.razb.src="images/plus.gif";
      }
   }
   
function change_payan() {

var map1 = document.getElementById("inside_vpayan");

   if (map1.style.display=="none") {
         map1.style.display="";
		 document.images.payan.src="images/minus.gif";		 
      }
      else {
         map1.style.display="none";
		 document.images.payan.src="images/plus.gif";
      }
   }
   
function change_svar() {

var map1 = document.getElementById("inside_PSHEn");
var map2 = document.getElementById("inside_PSHEr");
var map3 = document.getElementById("inside_PSHEc");
var map4 = document.getElementById("inside_PRHE");
var map5 = document.getElementById("inside_SYSTEMS");

   if (map1.style.display=="none") {
         map1.style.display="";
		 map2.style.display="";
		 map3.style.display="";
		 map4.style.display="";
		 map5.style.display="";
		 document.images.svar.src="images/minus.gif";		 
      }
      else {
         map1.style.display="none";
		 map2.style.display="none";
		 map3.style.display="none";
		 map4.style.display="none";
		 map5.style.display="none";
		 document.images.svar.src="images/plus.gif";
      }
   }
   
function change_VT() {

var map1 = document.getElementById("inside_vVT");

   if (map1.style.display=="none") {
         map1.style.display="";
		 document.images.VT.src="images/minus.gif";		 
      }
      else {
         map1.style.display="none";
		 document.images.VT.src="images/plus.gif";
      }
   }
   
function change_VX() {

var map1 = document.getElementById("inside_vVX");

   if (map1.style.display=="none") {
         map1.style.display="";
		 document.images.VX.src="images/minus.gif";		 
      }
      else {
         map1.style.display="none";
		 document.images.VX.src="images/plus.gif";
      }
   }
   
function change_FF() {

var map1 = document.getElementById("inside_vFF");

   if (map1.style.display=="none") {
         map1.style.display="";
		 document.images.FF.src="images/minus.gif";		 
      }
      else {
         map1.style.display="none";
		 document.images.FF.src="images/plus.gif";
      }
   }
   
function change_PSHEn() {

var map1 = document.getElementById("inside_vPSHEn");

   if (map1.style.display=="none") {
         map1.style.display="";
		 document.images.PSHEn.src="images/minus.gif";		 
      }
      else {
         map1.style.display="none";
		 document.images.PSHEn.src="images/plus.gif";
      }
   }
   
function change_PSHEr() {

var map1 = document.getElementById("inside_vPSHEr");

   if (map1.style.display=="none") {
         map1.style.display="";
		 document.images.PSHEr.src="images/minus.gif";		 
      }
      else {
         map1.style.display="none";
		 document.images.PSHEr.src="images/plus.gif";
      }
   }
   
function change_PSHEc() {

var map1 = document.getElementById("inside_vPSHEc");

   if (map1.style.display=="none") {
         map1.style.display="";
		 document.images.PSHEc.src="images/minus.gif";		 
      }
      else {
         map1.style.display="none";
		 document.images.PSHEc.src="images/plus.gif";
      }
   }
   
function change_PRHE() {

var map1 = document.getElementById("inside_vPRHE");

   if (map1.style.display=="none") {
         map1.style.display="";
		 document.images.PRHE.src="images/minus.gif";		 
      }
      else {
         map1.style.display="none";
		 document.images.PRHE.src="images/plus.gif";
      }
   }
   
function change_SYSTEMS() {

var map1 = document.getElementById("inside_vSYSTEMS");

   if (map1.style.display=="none") {
         map1.style.display="";
		 document.images.SYSTEMS.src="images/minus.gif";		 
      }
      else {
         map1.style.display="none";
		 document.images.SYSTEMS.src="images/plus.gif";
      }
   }
   
function change_punkt() {

var map1 = document.getElementById("inside_vpunkt");

   if (map1.style.display=="none") {
         map1.style.display="";
		 document.images.punkt.src="images/minus.gif";		 
      }
      else {
         map1.style.display="none";
		 document.images.punkt.src="images/plus.gif";
      }
   }
   
function change_kran() {

var map1 = document.getElementById("inside_vkran");

   if (map1.style.display=="none") {
         map1.style.display="";
		 document.images.kran.src="images/minus.gif";		 
      }
      else {
         map1.style.display="none";
		 document.images.kran.src="images/plus.gif";
      }
   }
   
function change_nasos() {

var map1 = document.getElementById("inside_vnasos");

   if (map1.style.display=="none") {
         map1.style.display="";
		 document.images.nasos.src="images/minus.gif";		 
      }
      else {
         map1.style.display="none";
		 document.images.nasos.src="images/plus.gif";
      }
   }
   
function change_ref() {

var map1 = document.getElementById("header_ref_razb");
var map2 = document.getElementById("header_ref_payan");
var map3 = document.getElementById("header_ref_svar");
var map4 = document.getElementById("header_ref_punkt");
var map5 = document.getElementById("header_ref_kran");
var map6 = document.getElementById("header_ref_nasos");
 
   if (map1.style.display=="none") {
         map1.style.display="";
		 map2.style.display="";
		 map3.style.display="";
		 map4.style.display="";
		 map5.style.display="";
		 map6.style.display="";
		 document.images.ref.src="images/minus.gif";		 
      }
      else {
         map1.style.display="none";
		 map2.style.display="none";
		 map3.style.display="none";
		 map4.style.display="none";
		 map5.style.display="none";
		 map6.style.display="none";
         document.images.ref.src="images/plus.gif";
      }
   }

function change_articles() {

var map1 = document.getElementById("header_art_1");
var map2 = document.getElementById("header_art_2");
var map3 = document.getElementById("header_art_3");
var map4 = document.getElementById("header_art_4");
var map5 = document.getElementById("header_art_5");
var map6 = document.getElementById("header_art_6");
var map7 = document.getElementById("header_art_7");
var map8 = document.getElementById("header_art_8");

   if (map1.style.display=="none") {
         map1.style.display="";
		 map2.style.display="";
		 map3.style.display="";
		 map4.style.display="";
		 map5.style.display="";
		 map6.style.display="";
		 map7.style.display="";
		 map8.style.display="";
		 document.images.articles.src="images/minus.gif";		 
      }
      else {
         map1.style.display="none";
		 map2.style.display="none";
		 map3.style.display="none";
		 map4.style.display="none";
		 map5.style.display="none";
		 map6.style.display="none";
		 map7.style.display="none";
		 map8.style.display="none";
         document.images.articles.src="images/plus.gif";
      }
   }

function change_contacts() {

var map1 = document.getElementById("header_mail_form");

   if (map1.style.display=="none") {
         map1.style.display="";
		 document.images.contacts.src="images/minus.gif";		 
      }
      else {
         map1.style.display="none";
		 document.images.contacts.src="images/plus.gif";
      }
   }