var lastMenuItem;
var lastId;
function dropMenu(id, obj){
    var menu = document.getElementById(id);
    var parent = obj.parentNode.parentNode.parentNode.parentNode;
    //alert(parent.className);
    
    if (parent.className.indexOf('open')>=0){
        parent.className = parent.className.replace(' open', '');
        menu.style.display = 'none';
        
    }else{
        if(lastMenuItem){
            lastMenuItem.parentNode.parentNode.parentNode.parentNode.className = lastMenuItem.parentNode.parentNode.parentNode.parentNode.className.replace(' open', '');
            document.getElementById(lastId).style.display = 'none';
        }
        parent.className += ' open';
        menu.style.display = 'block';
    }
    lastMenuItem = obj;
    lastId = id;
    return false;
}


var lastTab;
var lastTabId;
var oldtab;
function setTab(id, obj){
    var tab = document.getElementById(id);
    var parent = obj.parentNode.parentNode.parentNode;
    
    if(oldtab) {
	 document.getElementById(oldtab).style.display = 'none';
	 oldtab = 0;
	}
	
	if (parent.className.indexOf('active')==-1){
        if(lastTab){
            lastTab.parentNode.parentNode.parentNode.className = lastTab.parentNode.parentNode.parentNode.className.replace(' active', '');
            document.getElementById(lastTabId).style.display = 'none';
        }else{
            document.getElementById('first-tab').parentNode.parentNode.parentNode.className = document.getElementById('first-tab').parentNode.parentNode.parentNode.className.replace(' active', '');
            document.getElementById('tab1').style.display = 'none';
        }
        parent.className += ' active';
        tab.style.display = 'block';
        
    }
    lastTab = obj;
    lastTabId = id;
    
    return false;
}

function showMenu(id){
    var menu = document.getElementById(id);
    menu.style.display = 'block';
}

function hideMenu(id){
    var menu = document.getElementById(id);
    menu.style.display = 'none';
}