var iWidth = screen.width, iHeight = screen.height;

function blockError() { return true; }
window.onerror = blockError;

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  }
  else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

function SetupMenu(mn)
{
  if(document.all && document.getElementById)
  {
    myMenu = document.getElementById(mn);

    for(i=0; i < myMenu.childNodes.length; i++)
    {
      node = myMenu.childNodes[i];
      if(node.nodeName=="UL")
      {
        for(j=0; j < node.childNodes.length; j++)
        {
          subnode = node.childNodes[j];
          if(subnode.nodeName=="LI")
          {
            subnode.onmouseover=function()
            {
              this.className+=" over";
            }
            subnode.onmouseout=function()
            {
              this.className=this.className.replace(" over", "");
            }
          }
        }
      }
    }
  }
}

function SetupTopMenu()
{
  SetupMenu("topmenu");
}

addLoadEvent(SetupTopMenu);