var hiding = false;
var timeToHide = 70;
var timer = 0;

function showSubmenus (id) {
	
	hiding = false;
	hideSubmenus();
	sub = 'sub_'+id;
	itm = 'a_'+id;
	//document.getElementById('submenu').style.display = 'block';
	document.getElementById(sub).style.display = 'block';
	//document.getElementById(sub).style.zIndex = '999';
	document.getElementById(itm).style.background = '#F5F5F5';
	
	if (navigator.appVersion.indexOf("MSIE")!=-1) { //if IE
		document.getElementById('for_menu').style.top = '-68px';
	}
	else {		
		
		if (window.opera) {//if OPERA
			document.getElementById('for_menu').style.top = '-73px';
		}
		else {// if FF
			document.getElementById('for_menu').style.top = '-69px';
		}
				
		document.getElementById('submenu').style.marginLeft = '6px';				
	}
}

function hideSubmenus(){
	document.getElementById('sub_firm').style.display = 'none';
	document.getElementById('sub_norms').style.display = 'none';
	document.getElementById('sub_events').style.display = 'none';
	document.getElementById('sub_products').style.display = 'none';
	document.getElementById('a_firm').style.background = '#ffffff';
	document.getElementById('a_norms').style.background = '#ffffff';
	document.getElementById('a_events').style.background = '#ffffff';
	document.getElementById('a_products').style.background = '#ffffff';
	
	//document.getElementById('submenu').style.display = 'none';
	document.getElementById('for_menu').style.top = '0px';
	document.getElementById('footer').style.marginTop = '00px';
	hiding = false;
}

function startHide(){
	if(hiding==false){
		timer = setTimeout("nowHide()", timeToHide);
		hiding=true
	}
}

function stopHide(){
	clearTimeout(timer);
	hiding=false
}

function nowHide(){
	if(hiding==true){
		hideSubmenus();
		hiding = false;
	}
}

function new_window(link) {
	window.open(link,'Galeria produktu','menubar=no,toolbar=no,scrollbar=no,resizable=no,status=no,width=600,height=650');
}

function nav_button(id, hover) {
	image = document.getElementById(id);
	image.src = './design/img/button_'+id+hover+'.gif';
}

function zoomMap(image) {
	var link = "index.php?m=ZoomMap&image="+image;
	window.open(link,"ZoomMap","550,450,resizable=0,scrollbars=1,menubar=no");
}