/*//²Λ΅₯
function menuFix() {
    var sfEls = document.getElementById("nav").getElementsByTagName("li");
    for (var i=0; i<sfEls.length; i++) {
        sfEls[i].onmouseover=function() {
            this.className+=(this.className.length>0? " ": "") + "sfhover";
        }
        sfEls[i].onMouseDown=function() {
            this.className+=(this.className.length>0? " ": "") + "sfhover";
        }
        sfEls[i].onMouseUp=function() {
            this.className+=(this.className.length>0? " ": "") + "sfhover";
        }
        sfEls[i].onmouseout=function() {
            this.className=this.className.replace(new RegExp("( ?|^)sfhover\\b"),"");
        }
    }
}
*/

//ΑΠ±νΚΥΛυ
function changeList(listName){
    var obj = document.getElementById(listName);
    if(obj.style.display=="none"){
        obj.style.display="block"
    }else{
        obj.style.display="none"
    }
}