function slideILayer() {
  //animace odjezdu velkeho banneru
  var obj2=document.getElementById('small_hp_banner');
  var destX=parseInt(obj2.style.left);
  var destY=parseInt(obj2.style.top);
  var destWidth=parseInt(obj2.style.width);
  var destHeight=parseInt(obj2.style.height);
  
  
  var obj=document.getElementById('ilayer_velky');
  var currX=parseInt(obj.style.left);
  var currY=parseInt(obj.style.top);
  var currWidth=parseInt(obj.style.width);
  var currHeight=parseInt(obj.style.height);
  
  
  if (!obj.XShift) {obj.XShift=1;}
  if (!obj.YShift) {obj.YShift=1;}
  
  if (!obj.XShiftChange) {obj.XShiftChange=2;}
  if (!obj.YShiftChange) {obj.YShiftChange=1;}
  
  
  if (!obj.XSizeChange) {obj.XSizeChange=1;}
  if (!obj.YSizeChange) {obj.YSizeChange=1;}
  
  //zmena velikosti objektu
  if (currWidth>destWidth) {
    obj.style.width = (currWidth - (obj.XSizeChange))+'px';
    obj.style.height = (currHeight - (obj.YSizeChange))+'px';
  }
  
  //pridani X a Y souradnice o zmenu velikosti
  currX+=obj.XSizeChange;
  currY+=obj.YSizeChange;
  
  
  //posun objektu v X smeru
  //if (currX<-100) {
  if (currX<150) {
    //alert(currX+", "+currY+", "+obj.XSizeChange+", "+obj.YSizeChange+", "+obj.XShiftChange+", "+obj.YShiftChange);
    obj.style.left = (currX + obj.XShift)+'px';
  } else {
    //alert(currX);
    clearInterval(timer);
    obj.style.display="none";
  }
  
  //posun objektu v Y smeru
  //alert(currY);
  if (currY<-170) {
    obj.style.top = (currY + obj.YShift)+'px';
    
  }
  
  
  
  
  obj.XShift=obj.XShift+obj.XShiftChange;
  obj.YShift=obj.YShift+obj.YShiftChange;
  
  //obj.XSizeChange=obj.XSizeChange+obj.XSizeChange;
  //obj.YSizeChange=obj.YSizeChange+obj.YSizeChange;
  
  obj.XSizeChange=obj.XSizeChange+6;
  obj.YSizeChange=obj.YSizeChange+4;
  
}

function banner_out() {
  //funkce, ktera se vola, kdyz kurzor vyjede mimo maly banner
  //document.getElementById("info").innerHTML="OUT";
}

function banner_over() {
  //funkce, ktera se vola, kdyz kurzor najede na maly banner
  //document.getElementById("info").innerHTML="OVER";
  
  //objeveni velkeho banneru pri najeti na maly
  //document.getElementById('ilayer_velky').style.display='block';
}


function ilayer_hide() {
  //funkce, ktera se vola pri stisknuti tlacitka "ZAVRIT" velkeho banneru
  //document.getElementById("info").innerHTML="CLOSE";
  var iv=document.getElementById('ilayer_velky');
  
  //nejjednodussi zpusob: ciste skryti velkeho banneru
  iv.style.display='none';
  
  //objeveni maleho banneru - neni nutne
  //document.getElementById('small_hp_banner').style.display='block';
  
  //nastaveni animace odjezdu
  //timer = setInterval(slideILayer, 35);
}




var ilayer = {
  banner_out: banner_out,
  banner_over: banner_over, 
  ilayer_hide: ilayer_hide
}



  
//window.document.getElementById('ilayer_velky').style.display='none';