var overlay;

function onLoad() {
	if (document.getElementById("bojujeme_loader"))
	{
		overlay = document.getElementById("bojujeme_loader");
		moveOverlay();
	}
}

window.onscroll = moveOverlay;
window.onresize = moveOverlay;

function moveOverlay() {
	if (overlay)
	{
		overlay.style.top = getScrollTop() + "px";
	}
}

getWindowWidth = function() { return document.documentElement.clientWidth; }
getWindowHeight = function() { return document.documentElement.clientHeight; }

getScrollTop = function() { return document.documentElement.scrollTop?document.documentElement.scrollTop:document.body.scrollTop; }
getScrollLeft = function() { return document.documentElement.scrollLeft?document.documentElement.scrollLeft:document.body.scrollLeft; }