if(document.images) {
 var imgs = new Array();
 imgs[0] = new Image();  imgs[0].src = "../images/premenu_01.gif";
 imgs[1] = new Image();  imgs[1].src = "../images/premenu_01_on.gif";
 imgs[2] = new Image();  imgs[2].src = "../images/premenu_02.gif";
 imgs[3] = new Image();  imgs[3].src = "../images/premenu_02_on.gif";
 imgs[4] = new Image();  imgs[4].src = "../images/premenu_03.gif";
 imgs[5] = new Image();  imgs[5].src = "../images/premenu_03_on.gif";
 imgs[6] = new Image();  imgs[6].src = "../images/premenu_04.gif";
 imgs[7] = new Image();  imgs[7].src = "../images/premenu_04_on.gif";
//
 imgs[8] = new Image();  imgs[8].src = "../images/top_bt_male.gif";
 imgs[9] = new Image();  imgs[9].src = "../images/top_bt_male_on.gif";
 imgs[10] = new Image();  imgs[10].src = "../images/top_bt_female.gif";
 imgs[11] = new Image();  imgs[11].src = "../images/top_bt_female_on.gif";
//
 imgs[12] = new Image();  imgs[12].src = "../images/top_rankbt.gif";
 imgs[13] = new Image();  imgs[13].src = "../images/top_rankbt_on.gif";
}
function chgimg(id, imgname) {
 if(document.images) {
  if(imgs[imgname]) {
    document.images[id].src = imgs[imgname].src;
  }
  else {
    document.images[id].src = imgname;
  }
 }
}
//
function subwin_qr(){
	window.open("../qrcode/qrcode.php","qrcode","width=350,height=350,toolbar=no,menubar=no,location=no,directories=no,status=yes,scrollbars=yes,resizable=yes");
	return false;
}
//
function subwin_i(){
	window.open("i.php","win_domain","width=350,toolbar=no,menubar=no,location=no,directories=no,status=yes,scrollbars=yes,resizable=yes");
}
function subwin_v(){
	window.open("voda.php","win_domain","width=350,toolbar=no,menubar=no,location=no,directories=no,status=yes,scrollbars=yes,resizable=yes");
}
function subwin_a(){
	window.open("ez.php","win_domain","width=350,toolbar=no,menubar=no,location=no,directories=no,status=yes,scrollbars=yes,resizable=yes");
}