function doSomething(what){
var name = what.id;
var div = document.getElementById(name+"div");
var sign = document.getElementById(name+"sign");
if(div.style.display == "block"){
div.style.display = "none";
sign.innerHTML = "+";
}
else{
div.style.display = "block";
sign.innerHTML = "-";
}
}

function changeImgAr(what){
if(what.id != "sel"){
what.childNodes[0].style.visibility = "visible";
what.style.color = "#EB8500";
//what.style.backgroundColor = "#D6E0E5";
}
}

function changeImgEm(what){
if(what.id != "sel"){
what.childNodes[0].style.visibility = "hidden";
what.style.color = "";
//what.style.backgroundColor = "";
}
}

/*function changeImgMainNavTo(what,top,left,width,height){
if(what.id != "mainsel"){
var obj = document.getElementById("mainnavigation_div");
//alert("height: " + what.offsetHeight + "\n" + "width: " + what.offsetWidth + "\n"+"left: " + what.offsetLeft + "\n"+"top: " + what.offsetTop + "\n");
obj.style.height = 19 + height + "px";
//obj.style.height = what.offsetHeight;
obj.style.width = what.offsetWidth + width + "px";
//obj.setAttribute("width",what.offsetWidth);
//obj.style.position = "absolute";
obj.style.top = what.offsetTop+4+top;
obj.style.left = what.offsetLeft + left;
obj.style.visibility = "visible";
}
}

function changeImgMainNavFrom(what){
var obj = document.getElementById("mainnavigation_div");
obj.style.visibility = "hidden";
}*/