var timerID = null;
var timerShowID = null;

function stopTimer() {
	if (timerID != null) {
		clearTimeout(timerID);
	}
	if (timerShowID != null) {
		clearTimeout(timerShowID);
	}
}

function openMenu(id) {
	if (timerID != null) {
		clearTimeout(timerID);
	}
	if (timerShowID != null) {
		clearTimeout(timerShowID);
	}
	closeMenu(id);
    document.getElementById(id).style.visibility="visible";
    document.getElementById(id).style.display="block";
}

function closeMenu(id){
	if (timerID!=null){
		clearTimeout(timerID);
	}
	document.getElementById(id).style.visibility="hidden";
    document.getElementById(id).style.display="none";
}

function timeoutClose(id, timer) {
	if (timerID != null) {
		clearTimeout(timerID);
	}
    timerID = setTimeout("closeMenu("+id+")", timer);
}

function openwin(myurl, mx, my, name) {
	if (name == null) {
		name = "popup";
	}
	nn4 = (document.layers) ? true : false;
	ie4 = (document.all) ? true : false;
	wx = Math.round((screen.width - mx) / 2);
	wy = Math.round((screen.height - my) / 2);
	wpos = (nn4) ? "screenX=" + wx + ",screenY=" + wy : "left=" + wx + ",top=" + wy;
	var a = window.open(myurl, name, "resizable=yes, menubar=no,toolbars=no,scrollbars=yes,width=" + mx + ",height=" + my + "," + wpos);
	a.focus();
}

function openimg(myurl, mx, my, name) {
	if (a != null) {
		a.close();
	}
	mx = mx + 30;
	my = my + 57;
	if (name == null) {
		name = "Image";
	}
	nn4 = (document.layers) ? true : false;
	ie4 = (document.all) ? true : false;
	wx = Math.round((screen.width - mx) / 2);
	wy = Math.round((screen.height - my) / 2);
	wpos = (nn4) ? "screenX=" + wx + ",screenY=" + wy : "left=" + wx + ",top=" + wy;
	var a = window.open(myurl, name, "resizable=no, menubar=no,toolbars=no,scrollbars=no,width=" + mx + ",height=" + my + "," + wpos);
	a.resizeTo(mx, my);
	a.focus();
}


function showHide(subitm, itm) {
	var active = document.getElementById("a" + itm.id);
	if (subitm.style.display == "none") {
		subitm.style.display = "block";
	} else {
		subitm.style.display = "none";
	}
}

/*
* Открывает всплывающее окно точно по размеру картинки
*/
function openPreview (url, width, height) {
    var x = window.open("", 'preview', 'scrollbars=no,width='+width+',height='+height+',toolbar=no,status=no,menubar=no,links=no,resizable=no');
    x.document.write('<html><head><title>Просмотр изображения</title></head>'+
                       '<body topmargin="0" leftmargin="0"><img src="'+url+'"' +
                       '></body></html>');
    x.document.close();
    x.focus();
}

function fixPNG(element)
{
	if (/MSIE (5\.5|6).+Win/.test(navigator.userAgent))
	{
		var src;

		if (element.tagName=='IMG')
		{
			if (/\.png$/.test(element.src))
			{
				src = element.src;
				element.src = "/img/empty.gif";
			}
		}
		else
		{
			src = element.currentStyle.backgroundImage.match(/url\("(.+\.png)"\)/i)
			if (src)
			{
				src = src[1];
				element.runtimeStyle.backgroundImage="none";
			}
		}

		if (src) element.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "',sizingMethod='scale')";
	}
}
