function extLinks() {
  var links=document.getElementsByTagName('a'), host=window.location.hostname; 
  for(l=0; l<links.length; l++) {
   if(( links[l].href.substr(0, 7+host.length)!='http://'+host ) && ( links[l].href.substr(0, 7)=='http://' )){
    links[l].target='_blank';
   } 
  }
 }


 function newCaptcha() {
  var c=document.getElementById('captcha_image');
  c.src='/captcha.php?'+Math.random();
 }

 function findPos(obj) {
  var curleft=0;
  var curtop =0;
  if(obj.offsetParent) {
   curleft=obj.offsetLeft;
   curtop =obj.offsetTop;
   while(obj=obj.offsetParent) {
    curleft+=obj.offsetLeft;
    curtop +=obj.offsetTop;
   }
  }
  return [curleft,curtop];
 } 

 function doPos() {
  var map =document.getElementById('map');
  var mpos=findPos(map);
  var load=document.getElementById('loading');
  load.style.left = (mpos[0]+400)+'px';
  setTimeout('doPos()', 3000);
 }