_winOpen = window.open
function winOpen(url,name,opt) {
  var w,h,c=false,g=null,l,t,o,x=-1,i=0,a=["left","top","width","height","resizable","scrollbars","s  tatus","menubar","toolbar","location","directories"];
  if(!name)name = ""; if(!opt)opt="";
  if(opt.match(/^(\d+|\*)(,(\d+|\*))+$/)) {
    do {
      opt = opt.substring(0,x+1) + a[i]+"="+opt.substring(x+1);
    } while((x=opt.indexOf(',',x+a[i++].length))!=-1);
    opt = opt.replace(/[^=]+=\*,/g,"");
  }
  if(opt.match(/image=(true|1)/)) {
    g = new Image();g.src=url;url="";opt+=",resizable=1";
    if(g.width>0&&g.height>0);
    opt+=",width="+(w=g.width)+",height="+(h=g.height);
  }
  if(
    (w=opt.match(/width=(\d+)/))&&(w=RegExp.$1)&&
    (h=opt.match(/height=(\d+)/))&&(h=RegExp.$1)&&
    opt.match(/center=(true|1)/)&&!!(c=true)
  )
  opt+=",left="+(l=screen.width-w)+",top="+(t=screen.height-h);
  o = _winOpen(url,name,opt);
  if(c&&navigator.platform.indexOf("Mac")!=-1)o.moveTo(l,t);
  if(g) {
    o.document.open();
    o.document.write(
      '<html><head><title>'+g.src.substring(g.src.lastIndexOf('/')+1)+'</title><head><body style=overflow:hidden leftmargin=0 topmargin=0 marginwidth=0 marginheight=0><img src="'+g.src+'"'+(w>0&&h>0?' width='+w+' height='+h:' onLoad="if(self.innerWidth){self.innerWidth=this.width;self.innerHeight=this.height}else{self.resizeBy(this.width-document.body.clientWidth,this.height-document.body.clientHeight)}"')+'></body></html>'
    );
o.document.close();
}
return o;
}
window.open = winOpen;

