function wopen2(url,wname,flags,w,h) {
    var par='';
    var left = Math.floor( (screen.width - w) / 2);
    var top = Math.floor( (screen.height - h) / 2);
    if(flags&1)  { par+='scrollbars=1,';  } else { par+='scrollbars=0,';  }
    if(flags&2)  { par+='status=1,';      } else { par+='status=0,';      }
    if(flags&4)  { par+='resizable=1,';   } else { par+='resizable=0,';   }
    if(flags&8)  { par+='toolbar=1,';     } else { par+='toolbar=0,';     }
    if(flags&16) { par+='location=1,';    } else { par+='location=0,';    }
    if(flags&32) { par+='menubar=1,';     } else { par+='menubar=0,';     }
    if(flags&64) { par+='directories=1,'; } else { par+='directories=0,'; }
    //alert(par);
    win  = window.open(url,wname,'width=' + w + ', height=' + h + ',' + par + 'top=' + top + ',left=' + left);
    win.focus();
  }

function Show_Hide(fiskkoer) 
{
	document.getElementById('extramenu').style.visibility="hidden";
	document.getElementById('ecop').style.visibility="hidden";
	element = document.getElementById(fiskkoer);
	element.style.visibility="visible"; 
}