function getMenu(obj) {
  if(document.layers) {
    return document.layers[obj];
  } else if(document.all && !document.getElementById) {
    return document.all[obj];
  } else if(document.getElementById) {
    return document.getElementById(obj);
  } else {
      return null;
  }
}

function showThis(obj,obj2,obj3) {
  var menu_layer = getMenu(obj);
  var menu_item = obj;
  var menu_layer2 = getMenu(obj2);
  var menu_item2 = obj2;
  var menu_layer3 = getMenu(obj3);
  var menu_item3 = obj3;
  if (menu_item == "minus1" && menu_item2 == "plus1" && menu_item3 == "block") {
    menu_layer.style.visibility="visible";
    menu_layer.style.display="inline";
    menu_layer2.style.visibility="hidden";
    menu_layer2.style.display="none";
    menu_layer3.style.visibility="visible";
    menu_layer3.style.display="block";
  }else if (menu_item == "plus1" && menu_item2 == "minus1" && menu_item3 == "block") {
    menu_layer.style.visibility="visible";
    menu_layer.style.display="inline";
    menu_layer2.style.visibility="hidden";
    menu_layer2.style.display="none";
    menu_layer3.style.visibility="hidden";
    menu_layer3.style.display="none";
  }else if (menu_item == "plus2" && menu_item2 == "minus2") {
    menu_layer.style.visibility="visible";
    menu_layer.style.display="inline";
    menu_layer2.style.visibility="hidden";
    menu_layer2.style.display="none";
  }else if (menu_item == "minus2" && menu_item2 == "plus2") {
    menu_layer.style.visibility="visible";
    menu_layer.style.display="inline";
    menu_layer2.style.visibility="hidden";
    menu_layer2.style.display="none";
  }else if (menu_item == "plus3" && menu_item2 == "minus3") {
    menu_layer.style.visibility="visible";
    menu_layer.style.display="inline";
    menu_layer2.style.visibility="hidden";
    menu_layer2.style.display="none";
  }else if (menu_item == "minus3" && menu_item2 == "plus3") {
    menu_layer.style.visibility="visible";
    menu_layer.style.display="inline";
    menu_layer2.style.visibility="hidden";
    menu_layer2.style.display="none";
  }else if (menu_item == "plus4" && menu_item2 == "minus4") {
    menu_layer.style.visibility="visible";
    menu_layer.style.display="inline";
    menu_layer2.style.visibility="hidden";
    menu_layer2.style.display="none";
  }else if (menu_item == "minus4" && menu_item2 == "plus4") {
    menu_layer.style.visibility="visible";
    menu_layer.style.display="inline";
    menu_layer2.style.visibility="hidden";
    menu_layer2.style.display="none";
  }
}
// end script

// end right nav boxes js

// start dropdown control javascript 
var timer = null;
function showMenu(obj) {
  if(timer) {
    clearTimeout(timer);
    timer = null;
  }
  var menu_layer = getMenu(obj);
  var menu_item = obj;
  if (menu_item == "show_nav") {
    menu_layer.style.visibility="visible";
    menu_layer.style.display="block";
  }
}

function getMenu(obj) {
  if(document.layers) {
    return document.layers[obj];
  } else if(document.all && !document.getElementById) {
    return document.all[obj];
  } else if(document.getElementById) {
    return document.getElementById(obj);
  } else {
    return null;
  }
}

function hideMenu(obj) {
  var menu_layer = getMenu(obj);
  if(!menu_layer) {
    return;
   }
  if(document.layers) {
    menu_layer.visibility="hidden";
  } else {
    menu_layer.style.display="none";
    menu_layer.style.visibility="hidden";
  }
}
					
function timerMenu1 (obj) {
  if(document.layer) {
    return;
  }
  timer = setTimeout('hideMenu("' + obj +'")', 500);  
}
					
function timerMenu2 (obj) {
  if(document.layer) {
    return;
  }
  timer = setTimeout('hideMenu("' + obj +'")', 500);  
}
					
function timerMenu3 (obj) {
  if(document.layer) {
    return;
  }
  timer = setTimeout('hideMenu("' + obj +'")', 500);  
}

if(document.layers) {
    hideMenu('show_nav');
  } else {
					
}