var count_scroll = 0;
var tm = new Array();

$(document).ready(function() {
	var max_count_scroll = Math.floor(parseInt($('#projects-down').attr('offsetWidth')) / 190);
	if (max_count_scroll > 4) { 
		$(".projects_arrow_right").css("display", "block");	
	}
});

function lbarMenuInit() {
	$("img", $(".classic_tree_links")).css({cursor:"pointer"});
	$("img[src='/_img/pics.gif']", $(".classic_tree_links")).css({cursor:"normal"});
	$(".item_normal > img", $(".level_0")).click(
		function(){
			nObj = $(this).parent().next();
			if(nObj.attr("class")) {
				if(nObj.css("display")=="none") {
					nObj.slideDown(200);
					$(this).attr("src", "/_img/minus.gif");
					return false;
				}
				else if(nObj.attr("class")!="item_normal" && nObj.attr("class")!="item_selected") {
					nObj.slideUp(200);
					$(this).attr("src", "/_img/plus.gif");
					return false;
				}
			}
		}
	);
	$(".item_normal > a", $(".level_0")).click(
		function(){
			nObj = $(this).parent().next();
			if(nObj.attr("class")) {
				if(nObj.css("display")=="none") {
					nObj.slideDown(200);
					$(this).prev().attr("src", "/_img/minus.gif");
					return false;
				}
				else if(nObj.attr("class")!="item_normal" && nObj.attr("class")!="item_selected") {
					nObj.slideUp(200);
					$(this).prev().attr("src", "/_img/plus.gif");
					return false;
				}
			}
		}
	);
	$("div[class*='level']", $(".level_0")).each(function(){
		nObj = $(this).prev();
		if(nObj.attr("class")=="item_normal") {
			nObj2 = $("img", nObj);
			$(nObj2).attr("src", "/_img/plus.gif");
		}
		else if(nObj.attr("class")=="item_selected") {
			nObj2 = $("img", nObj);
			$(nObj2).attr("src", "/_img/minus.gif");
		}
	});

	cat_menu_selected = $(".item_selected", $(".classic_tree_links"));
	$(".item_selected + div", $(".classic_tree_links")).css({display:"block"});
	for(x=1; x<100; x++) {
		cat_menu_selected = $(cat_menu_selected).parent();
		if($(cat_menu_selected).attr("class")=="classic_tree_links") {
			x = 100;
		}
		else {
			if(cat_menu_selected.attr("class")!="level_0") {
				nObj = $(cat_menu_selected).prev();
				if(nObj.attr("class")!="classic_tree_links") {
					nObj2 = $("img", nObj);
					$(nObj2).attr("src", "/_img/minus.gif");
				}
				$(cat_menu_selected).css({display:"block"});
				if($(cat_menu_selected).attr("class")=="level_1") x = 100;
			} else {
				x = 100;
			}
		}
	}
}

function tp_scroll(lr) {
	var max_count_scroll = Math.floor(parseInt($('#projects-down').attr('offsetWidth')) / 190);
	
	if (lr=='left') {
		if (count_scroll>0) {
			count_scroll--;
			$(".projects_lenta").animate({ left: '+=190px'}, 600);
		}
	} else if (lr=='right') {
		if (count_scroll<max_count_scroll-5) {
			count_scroll++;
			$(".projects_lenta").animate({ left: '-=190px'}, 600);
		}
	}
	
	if (count_scroll + 5 >= max_count_scroll) { $(".projects_arrow_right").css("display", "none");	} 	
	else { $(".projects_arrow_right").css("display", "block");	}
	
	if (count_scroll <= 0) { $(".projects_arrow_left").css("display", "none");	} 	
	else { $(".projects_arrow_left").css("display", "block");	}
	
	return false;
}


function tp_tree_show(idx) {
	
	if ($("#sub_" + idx).length) {
		if ($("#sub_" + idx).css('display') != 'block') {
			$('div[id^="sub_"]').slideUp("fast");
			$("#sub_" + idx).slideDown("fast");
		}
	}
	return false;
}

function tp_tree_tm_start(idx) {
	tm[idx] = setTimeout( function() { tp_tree_show(idx); }, 500);
	return false;
}

function tp_tree_tm_clear(idx) {
	clearTimeout(tm[idx]);
	return false;
}