pic1= new Image(); 
pic1.src="./img/slater_factory_w.jpg"; 
pic2= new Image(); 
pic2.src="./img/onas_w.jpg"; 
pic3= new Image(); 
pic3.src="./img/nabidka_sluzby_w.jpg";
pic4= new Image(); 
pic4.src="./img/prednosti_w.jpg";
pic5= new Image(); 
pic5.src="./img/reference_w.jpg";
pic6= new Image(); 
pic6.src="./img/technologie_w.jpg";
pic7= new Image(); 
pic7.src="./img/tech_parametry_w.jpg";
pic8= new Image(); 
pic8.src="./img/kontakt_w.jpg";
pic9= new Image(); 
pic9.src="./img/zalozka_uvod2w.jpg"; 
pic10= new Image(); 
pic10.src="./img/zalozka_uvod3w.jpg"; 
pic11= new Image(); 
pic11.src="./img/zalozka_uvod4w.jpg";
pic12= new Image(); 
pic12.src="./img/zalozka_eng2w.jpg"; 
pic13= new Image(); 
pic13.src="./img/zalozka_eng3w.jpg"; 
pic14= new Image(); 
pic14.src="./img/zalozka_eng4w.jpg";
pic15= new Image(); 
pic15.src="./img/zalozka_nab1w.jpg"; 
pic16= new Image(); 
pic16.src="./img/zalozka_nab3w.jpg"; 
pic17= new Image(); 
pic17.src="./img/zalozka_nab4w.jpg";
pic18= new Image(); 
pic18.src="./img/zalozka_corp1w.jpg"; 
pic19= new Image(); 
pic19.src="./img/zalozka_corp2w.jpg"; 
pic20= new Image(); 
pic20.src="./img/zalozka_corp4w.jpg";

function uvodOver(akce,cislo)
{
  document.getElementById(akce+'cellu').style.color='#e1b919';
  document.getElementById(akce+'cellu').style.backgroundImage="url('./img/zalozka_"+cislo+"w.jpg')" ;
  document.getElementById(akce).style.color='#e1b919'
}
function uvodOut(akce,cislo)
{
  document.getElementById(akce+'cellu').style.color='#b7b7b7';
  document.getElementById(akce+'cellu').style.backgroundImage="url('./img/zalozka_"+cislo+".jpg')" ;
  document.getElementById(akce).style.color='#b7b7b7'
} 

function ref(akce)
{
  window.location='./' + akce ;
}
function refi(akce)
{
  window.location='./' + akce ;
}

function slaterOver() 
{
  document.getElementById('menuslater').src='./menu_155_jpg/slater_factory_w.jpg' ;
} 
function slaterOut() 
{
  document.getElementById('menuslater').src='./menu_155_jpg/slater_factory_g.jpg' ;
} 
function onasOver() 
{
  document.getElementById('menuonas').src='./menu_155_jpg/onas_w.jpg' ;
} 
function onasOut() 
{
  document.getElementById('menuonas').src='./menu_155_jpg/onas_g.jpg' ;
} 
function nabidkaOver() 
{
  document.getElementById('menunabidka').src='./menu_155_jpg/nabidka_sluzby_w.jpg' ;
} 
function nabidkaOut() 
{
  document.getElementById('menunabidka').src='./menu_155_jpg/nabidka_sluzby_g.jpg' ;
} 
function prednostiOver() 
{
  document.getElementById('menuprednosti').src='./menu_155_jpg/prednosti_w.jpg' ;
} 
function prednostiOut() 
{
  document.getElementById('menuprednosti').src='./menu_155_jpg/prednosti_g.jpg' ;
} 
function referenceOver() 
{
  document.getElementById('menureference').src='./menu_155_jpg/reference_w.jpg' ;
} 
function referenceOut() 
{
  document.getElementById('menureference').src='./menu_155_jpg/reference_g.jpg' ;
} 
function technologieOver() 
{
  document.getElementById('menutechnologie').src='./menu_155_jpg/technologie_w.jpg' ;
} 
function technologieOut() 
{
  document.getElementById('menutechnologie').src='./menu_155_jpg/technologie_g.jpg' ;
} 
function parametryOver() 
{
  document.getElementById('menuparametry').src='./menu_155_jpg/tech_parametry_w.jpg' ;
} 
function parametryOut() 
{
  document.getElementById('menuparametry').src='./menu_155_jpg/tech_parametry_g.jpg' ;
} 
function kontaktOver() 
{
  document.getElementById('menukontakt').src='./menu_155_jpg/kontakt_w.jpg' ;
} 
function kontaktOut() 
{
  document.getElementById('menukontakt').src='./menu_155_jpg/kontakt_g.jpg' ;
}