/////////////////////////////////////////////////////////
function onscroll(){
var nov = document.getElementById('nov')
var fon = document.getElementById('fon')
if(nov && fon){
nov.style.top = document.body.scrollTop
nov.style.left = document.body.scrollLeft
fon.style.top = document.body.scrollTop
fon.style.left = document.body.scrollLeft
}
}
/////////////////////////////////////////////////////////
function onresize(){
var nov = document.getElementById('nov')
var fon = document.getElementById('fon')
var width = document.body.clientWidth
var height = document.body.clientHeight
if(nov && fon){
nov.style.width = width
nov.style.height = height
nov.style.left = document.body.scrollLeft
fon.style.width = width
fon.style.height = height
fon.style.left = document.body.scrollTop
}
}
/////////////////////////////////////////////////////////
function zakryt(){
if(document.getElementById('nov')){
document.getElementById('nov').parentNode.removeChild(document.getElementById('nov'))
}
if(document.getElementById('fon')){
document.body.removeChild(document.getElementById('fon'))
}
var selectList = document.getElementsByTagName("SELECT");
for(var i = 0; i<selectList.length; i++){
selectList[i].style.visibility='visible'
}
}
/////////////////////////////////////////////////////////
function checkbox(id){
document.getElementById(id).checked=document.getElementById(id).checked == true ? false : true; return(false);
}
/////////////////////////////////////////////////////////
function isSelected(form_name){
var list = document.forms[form_name].getElementsByTagName('input')
var counter = 0
for(var i = 0; i < list.length; i++){
if(list[i].type=='checkbox' && list[i].name && list[i].checked==true){
counter = counter + 1
}
}
if(counter >= 2){
return(true)
} else {
return(false)
}
}
/////////////////////////////////////////////////////////
function preload(images) {
if (typeof document.body == "undefined") return;
try {
var div = document.createElement("div");
var s = div.style;
s.position = "absolute";
s.top = s.left = 0;
s.visibility = "hidden";
document.body.appendChild(div);
for (var i = 0; i < images.length; i++) div.innerHTML += "<img src=\"" + images[i] + "\" />";
} catch(e) {
// Error. Do nothing.
}
}