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

function mkzoom(vals)
{
  var oZoom=top.mainFrame.document.body;
  newZoom= parseInt(oZoom.style.zoom)+vals;
  window.status ="缩放到："+newZoom+"%";
  if(newZoom<10)
  {
    newZoom=10;
    window.status ="再缩小就看不见了。强制缩放到：10%";
  }

  newZoom=newZoom+'%';
  oZoom.style.zoom =newZoom;
  return false;
}

function mkzoomto(vals)
{
  var oZoom=top.mainFrame.document.body;
  newZoom= vals+'%'
  window.status ="缩放到："+vals+"%";
  oZoom.style.zoom =newZoom;
  return false;
}
function movemapto(x,y)
{
  var oZoom=top.mainFrame.document.body;
  oZoom.style.zoom ="100%";  

  var dobj  = top.mainFrame.mapdiv;  
  dobj.style.left = 0;
  dobj.style.top  =  0;
  dobj.style.left =  -x;
  dobj.style.top  =  -y;
 
  return false;
}