function forTopOption(evt)
{
  if (evt.selectedIndex == 0) {
      if (evt.flag == true) {
          evt.onchange(evt);
      } else {
          evt.flag = true;
      }
  }
}

function selectJumpRanking(evt){
  var url = '/ranking/category/id/' + evt.value;
  location.href= url;
}

function selectJumpCommunity(evt){
  var url = '/community/overview/search/?category=' + evt.value;
  location.href= url;
}

function selectJumpCategory(evt){
  var url = '/profile/categoryList/id/' + evt.value;
  location.href= url;
}

function selectJumpTag(evt){
  var url = '/tag/category/id/' + evt.value;
  location.href= url;
}

function selectJumpReader(evt){
  var url = '/ranking/reader/id/' + evt.value;
  location.href= url;
}

function imageResize(img)
{
    if (img.height > 50 || img.width >50) {
        if (img.height > img.width) {
            var resize = 50 /img.height;
        } else {
            var resize = 50 / img.width;
        }
        var height = img.height * resize;
        var width  = img.width * resize;
        img.height = height.toFixed();
        img.width  = width.toFixed();
    }
}

var openedMenu = null;
var submenuTimer;


function menuOvr(id){

    if (openedMenu && openedMenu != id){
        CloseMenu(id);
    }

    OpenMenu(id);
}


function OpenMenu(id){ 

    if ( document.getElementById ){
        document.getElementById( id ).style.visibility = 'visible';
    }else if ( document.all ){
        document.all( id ).style.visibility = 'visible';
    }else if ( document.layers ){
        document.layers[ id ].visibility = 'show';
    }

    clearTimeout(submenuTimer);

    openedMenu = id;

}


function CloseMenu(){ 

    if ( document.getElementById ){
        document.getElementById( openedMenu ).style.visibility = 'hidden';
    }else if ( document.all ){
        document.all( openedMenu ).style.visibility = 'hidden';
    }else if ( document.layers ){
        document.layers[ openedMenu ].visibility = 'hide';
    }

    openedMenu = null;

}

function radio(check){
    if (check.value == 1)
        check.form.btn.disabled = false;
}
function ChipON(id_no,x,y)
{
var offX = offY = 0;
if (document.layers) chip= document.layers[id_no];
if (document.all) chip = document.all[id_no].style;
if (chip.visibility.charAt(0) == "v") return;
if (document.all)
{
offX = document.body.scrollLeft;
offY = document.body.scrollTop;
}
chip.visibility = "visible";
chip.left = x + offX;
chip.top = y + offY;
}

function ChipOFF(id_no)
{
if (document.all) document.all[id_no].style.visibility = "hidden";
if (document.layers) document.layers[id_no].visibility = "hidden";
}