this.blankwin = function()
{
     var hostname = window.location.hostname;
     hostname = hostname.replace("www.","").toLowerCase();
     var a = document.getElementsByTagName("a");	
     this.check = function(obj)
     {
          var href = obj.href.toLowerCase();
          return (href.indexOf("http://")!=-1 && href.indexOf(hostname)==-1) ? true : false;
     };
     this.set = function(obj)
     {
          obj.target = "_blank";
          obj.className = "external";
     };
     for (var i=0;i<a.length;i++)
     {
          if(check(a[i])) set(a[i]);
     };
};


this.addEvent = function(obj,type,fn)
{
     if(obj.attachEvent){
          obj['e'+type+fn] = fn;
          obj[type+fn] = function(){obj['e'+type+fn](window.event);}
          obj.attachEvent('on'+type, obj[type+fn]);
     }
     else
     {
          obj.addEventListener(type,fn,false);
     };
};

addEvent(window,"load",blankwin);