function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

function popWindows() {
  if (!document.getElementsByTagName) return false;
  var lnks = document.getElementsByTagName("a");
  for (var i=0; i<lnks.length; i++) {
  if (lnks[i].className == "popUpPlain") {
      lnks[i].onclick = function() {
        popUpPlain(this.getAttribute("href"));
        return false;
      }
    }
	
	 else if (lnks[i].className == "popUpPriv") {
      lnks[i].onclick = function() {
        popUpPriv(this.getAttribute("href"));
        return false;
      }
    }
  }
}

function popUpPlain(winURL) {
window.open(winURL,"popUpPlain","width=520,height=275,left=0,top=0;");
}

function popUpPriv(winURL) {
window.open(winURL,"popUpPriv","toolbar=yes,location=yes,status=yes,menubar=yes,scrollbars=yes,resizable=yes,width=700,height=555,left=150,top=0;");
}

addLoadEvent(popWindows);