function changeUp(objID) {
document.getElementById(objID).src = "data/images/"+objID+"on.png";
}
function changeDown(objID) {
document.getElementById(objID).src = "data/images/"+objID+"off.png";
}

function changeSubUp(objID) {

var ob = document.getElementById(objID).style;
ob.background="#06716B";

}
function changeSubDown(objID) {

var ob = document.getElementById(objID).style;
ob.background="#6a9984"
}



function closeAll() {
var maxmenus=6;
var i=1;
for (i=1;i<maxmenus;i++) {
// document.getElementById('menu'+i).style.visibility = 'hidden';

}
document.getElementById('menu1').style.visibility = 'hidden';
document.getElementById('menu3').style.visibility = 'hidden';

}


function changeBg (objID) {
 document.getElementById('imgheader').style.backgroundImage = "url(data/images/header"+objID+".png)";
}



function browserDetect() {
if (navigator.userAgent.indexOf("Safari")>-1)  return ("Safari"); 
else if (navigator.userAgent.indexOf("Firefox")>-1)  return("Firefox");
else if (navigator.userAgent.indexOf("MSIE")>-1) return ("MSIE"); 
}


function adjustMenuPosition() {

var browser = browserDetect();
if (browser=="Safari") {
document.getElementById("menu1").style.top="11px";
document.getElementById("menu3").style.top="-109px";
} else if (browser=="MSIE") {
document.getElementById("menu1").style.top="1px";
document.getElementById("menu3").style.top="-119px";
} else {  document.getElementById("menu1").style.top="11px";
document.getElementById("menu3").style.top="-109px";
}
}

function hideMenus() {
document.getElementById("menu1").style.display='none';
document.getElementById("menu3").style.display='none';
}

function toggleMenu(objID,bg) {
changeBg(bg);
//adjustMenuPosition();

//closeOtherOpened
if (objID!=1) document.getElementById('menu1').style.display = 'none';
if (objID!=3) document.getElementById('menu3').style.display = 'none';

changeUp("b"+objID);
document.getElementById('nb'+objID).style.color = '#ffcc00';
if (!document.getElementById) return;
var ob = document.getElementById('menu'+objID).style;
ob.display = (ob.display == 'block')?'none': 'block';
//ob.visibility = (ob.visibility == 'visible')?'hidden': 'visible';
}