function popUp(URL) {
        day = new Date();
        id = day.getTime();
        popUpCen(URL,500,500)
}


function popUpCen(url,windowWidth,windowHeight){
        day = new Date();
        id = day.getTime();
        myleft=(screen.width)?(screen.width-windowWidth)/2:100;
        mytop=(screen.height)?(screen.height-windowHeight)/2:100;
        properties = "width="+windowWidth+",height="+windowHeight+",toolbar=0,scrollbars=1,location=0,statusbar=1,menubar=0,resizable=1,top="+mytop+",left="+myleft;
        window.open(url,id,properties)
}

function popUpKeep(url,windowWidth,windowHeight){
        myleft=(screen.width)?(screen.width-windowWidth)/2:100;
        mytop=(screen.height)?(screen.height-windowHeight)/2:100;
        properties = "width="+windowWidth+",height="+windowHeight+",toolbar=0,scrollbars=1,location=0,statusbar=1,menubar=0,resizable=1,top="+mytop+",left="+myleft;
        window.open(url,"keep",properties)
}

function hyperlinks(target)
{
  if (target) where = "_blank";
  else where = "_self";
  for (var i=0; i<=(document.links.length-1); i++)
  {
  document.links[i].target = where;
  }
}