var time = 3000;
var numofitems = 7;

//menu constructor
function menu(allitems,thisitem,startstate){ 
    callname= "gl"+thisitem;
    divname = "subglobal"+thisitem;  
    this.numberofmenuitems = allitems;
    this.caller = document.getElementById(callname);
    this.thediv = document.getElementById(divname);
    this.thediv.style.visibility = startstate;
}

//menu methods
function ehandler(event,theobj){
    for (var i = 1; i <= theobj.numberofmenuitems; i++){
        var shutdiv = eval( "menuitem"+i+".thediv");
        shutdiv.style.visibility = "hidden";
    }
    theobj.thediv.style.visibility = "visible";
}
				
function closesubnav(event){
    if ((event.clientY <48)||(event.clientY > 107)){
        for (var i = 1; i <= numofitems; i++){
            var shutdiv = eval('menuitem'+i+'.thediv');
            shutdiv.style.visibility = 'hidden';
        }
    }
}

function showFirst(){
    document.getElementById("subglobal1").style.visibility = "visible";
}
function closeFirst(){
    document.getElementById("subglobal1").style.visibility = "hidden";
}
function showSecond(){
    document.getElementById("subglobal2").style.visibility = "visible";
}
function closeSecond(){
    document.getElementById("subglobal2").style.visibility = "hidden";
}
function showThird(){
    document.getElementById("subglobal3").style.visibility = "visible";
}
function closeThird(){
    document.getElementById("subglobal3").style.visibility = "hidden";
}
function showFour(){
    document.getElementById("subglobal4").style.visibility = "visible";
}
function closeFour(){
    document.getElementById("subglobal4").style.visibility = "hidden";
}
function showFive(){
    document.getElementById("subglobal5").style.visibility = "visible";
}
function closeFive(){
    document.getElementById("subglobal5").style.visibility = "hidden";
}