// Preloading images

var i1 = new Image();
i1.src = "images/velkyobr1.jpg";
var i2 = new Image();
i2.src = "images/velkyobr2.jpg";
var i3 = new Image();
i3.src = "images/velkyobr3.jpg";
var i4 = new Image();
i4.src = "images/velkyobr4.jpg";
var i5 = new Image();
i5.src = "images/velkyobr5.jpg";
var i6 = new Image();
i6.src = "images/velkyobr6.jpg";
var i7 = new Image();
i7.src = "images/velkyobr7.jpgf";
var i8 = new Image();
i8.src = "images/velkyobr8.jpg";
var i9 = new Image();
i9.src = "images/velkyobr9.jpg";

var i10 = new Image();
i10.src = "images/kc1.jpg";
var i11 = new Image();
i11.src = "images/kc2.jpg";
var i12 = new Image();
i12.src = "images/kc3.jpg";
var i13 = new Image();
i13.src = "images/kc4.jpg";