function changeOp(obj){
  if(obj.style.opacity==0.8) {
    obj.style.opacity=1;
    obj.style.filter='alpha(opacity=100)';
  }else{
    obj.style.opacity=0.8;
    obj.style.filter='alpha(opacity=80)';
  }  
}

picture = new Image();
picture.src = "image/menu_left_01_b.jpg";
picture.src = "image/menu_left_02_b.jpg";
picture.src = "image/menu_left_03_b.jpg";
picture.src = "image/menu_left_04_b.jpg";
picture.src = "image/menu_left_05_b.jpg";
picture.src = "image/menu_left_06_b.jpg";

function okno(a_obr) {
retezec='galerie_nahled.php?picture='+a_obr;
window.open(retezec, "Image", "width=595, height=502, status=no, location=no"); 
}


function blink() {
document.getElementById('221').style.visibility = 'visible';
document.getElementById('222').style.visibility = 'visible';
document.getElementById('223').style.visibility = 'visible';
document.getElementById('224').style.visibility = 'visible';
blink2();
timer_ = window.setTimeout('blink2()', 700);
}

function blink2() {

if (document.getElementById('221').style.visibility == 'visible') {
document.getElementById('221').style.visibility = 'hidden';
document.getElementById('222').style.visibility = 'hidden';
document.getElementById('223').style.visibility = 'hidden';
document.getElementById('224').style.visibility = 'hidden';
}else{
document.getElementById('221').style.visibility = 'visible';
document.getElementById('222').style.visibility = 'visible';
document.getElementById('223').style.visibility = 'visible';
document.getElementById('224').style.visibility = 'visible';
}

}



function load() {
window.open("rodokmen/rodokmen.htm","Rodokmen", "status=no, location=no, width=980, height=623");
}