var picTimer;
var expandTimer = [0, 0, 0, 0, 0];
var expandIDs = [0, 0, 0, 0, 0];
function expandMenu(id, lev){
	var l = 0;
	if(lev){ l = lev; }
	window.clearTimeout(expandTimer[l]);
	expandTimer[l] = window.setTimeout(function(){_expandMenu(id,lev);}, 500);
}

function _expandMenu(id, lev){
/*
	var l = 0;
	var openObj = false;
	if(lev){ l = lev; }
	// if some element already open
	if(expandIDs[l]){
 		// if element is not a current, then hide and open new element
		if(id != expandIDs[l]){
			//alert('hide ' + obj.id);
			var ul = document.getElementById('menu_' + expandIDs[l]);
			$(ul).hide("fast");
			expandIDs[l] = 0;
			//for(var i = l; i < expandIDs.length; i++){ expandIDs[i] = 0; }
			openObj = true;
		}
	}else{
		openObj = true;
	}
	if(openObj){
		//alert('open ' + obj.id);
		var ul = document.getElementById('menu_' + id);
		if(ul){
			$(ul).show("fast");
			expandIDs[l] = id;
		}
	}
*/
	// change main image
	showPic(id);
}

// change main picture while mouseover catalog menu
function showPic(folderID){
	if(folderID){
		$.post("/catalog/pic.p3", {id: folderID}, function(data){
			var u = data.documentElement.firstChild.getAttribute('url');
			var a = data.documentElement.firstChild.getAttribute('alt');
			if(u != ''){
				setMainPic('/cgi-bin/prevw.cgi?img=' + u + '&dest=mainpics&q=80&w=408&h=233&exp=5000',a);
			}else{
				setMainPic('/accel/static/i/cisterns.jpg','Цистерны');
			}
		}, 'xml');
	}else{
		setMainPic('/accel/static/i/cisterns.jpg','Цистерны');
	}
}

function setMainPic(u,a){
	var mainImg = document.getElementById('mainimg');
	if(mainImg){
		if(mainImg.src.indexOf(u) == -1){
			$(mainImg).fadeOut( "fast", function(){
				mainImg.src = u;
				mainImg.alt = a;
				$(mainImg).fadeIn( "fast" );
			});
		}
	}
}

function setDefPic(){
	for(var i = 0; i < expandTimer.length; i++){
		window.clearTimeout(expandTimer[i]);
	}
	setMainPic('/accel/static/i/cisterns.jpg','Цистерны')
}