// otwarcie okna ----------------------------------------------------------------------------
function displayWindow(url, width, height) {
        var Win = window.open(url,"displayWindow",'width=' + width + ',height=' + height + ',resizable=0,scrollbars=no,menubar=no' );
}

// slide ----------------------------------------------------------------------------
function expandingWindow(website) {
var heightspeed = 7; // vertical scrolling speed (higher = slower)
var widthspeed = 7;  // horizontal scrolling speed (higher = slower)
var leftdist = 0;    // distance to left edge of window
var topdist = 0;     // distance to top edge of window

var winwidth = window.screen.availWidth - leftdist;
var winheight = window.screen.availHeight - topdist;
var sizer = window.open("","","left=" + leftdist + ",top=" + topdist + ",width=1,height=1,status=yes,scrollbars=yes,resizable=yes,toolbar=yes,location=yes,directories=yes,menubar=yes,scrolling=no");
for (sizeheight = 1; sizeheight < winheight; sizeheight += heightspeed) {
sizer.resizeTo("1", sizeheight);
}
for (sizewidth = 1; sizewidth < winwidth; sizewidth += widthspeed) {
sizer.resizeTo(sizewidth, sizeheight);
}
sizer.location = website;
}

// slide2  ROZMIAR i bez menu, suwakow itp.---------------------------------------------------
function expandingWindow2(website,width,height) {
var heightspeed = 7; // vertical scrolling speed (higher = slower)
var widthspeed = 10;  // horizontal scrolling speed (higher = slower)
var leftdist = 0;    // distance to left edge of window
var topdist = 0;     // distance to top edge of window

var winwidth = width - leftdist;
var winheight = height - topdist;
var sizer = window.open("","","left=" + leftdist + ",top=" + topdist + ",width=1,height=1,status=no,scrollbars=no,resizable=no,toolbar=no,location=no,directories=no,menubar=no,scrolling=no");
for (sizeheight = 1; sizeheight < winheight; sizeheight += heightspeed) {
sizer.resizeTo("1", sizeheight);
}
for (sizewidth = 1; sizewidth < winwidth; sizewidth += widthspeed) {
sizer.resizeTo(sizewidth, sizeheight);
}
sizer.location = website;
}