//popup
function popup(width,height,url) {
  if(!height) height = screen.availHeight - 200;
  x = (screen.availWidth /2 ) - (width/2);
  y = (screen.availHeight / 2) - (height/2);
  s="screenX="+x+", screenY="+y+", top="+y+", left="+x+", width="+width+", resizable=yes, height="+height+", scrollbars=yes, status=no, titlebar=no, dependent";
  w=window.open(url,"notatwin",s);
	if (window.focus) w.focus();
}

//placering
function getScrollXY() {
  var scrOfX = 0, scrOfY = 0;
  if( typeof(window.pageYOffset)=='number') {
    //Netscape compliant
    scrOfY = window.pageYOffset;
    scrOfX = window.pageXOffset;
  } else if(document.body && (document.body.scrollLeft || document.body.scrollTop)) {
    //DOM compliant
    scrOfY = document.body.scrollTop;
    scrOfX = document.body.scrollLeft;
  } else if(document.documentElement && (document.documentElement.scrollLeft || document.documentElement.scrollTop)) {
    //IE6 standards compliant mode
    scrOfY = document.documentElement.scrollTop;
    scrOfX = document.documentElement.scrollLeft;
  }
  var ScrollXY = new Array(2);
  ScrollXY[0] = scrOfX;
  ScrollXY[1] = scrOfY;
  return ScrollXY;
}