//

function getScrollY() {
  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;
  }
  return scrOfY;
}





function scroll()
{
	var bzik = -200 + getScrollY();
	document.getElementById("popupBody").style.marginTop = bzik + "px";
}

function popShow( filename ) {

	window.onscroll = scroll;
	
	
	document.getElementById("popupFrame").src = "popups/" + filename;
	
	var bzik = -200 + getScrollY();
	document.getElementById("popupBody").style.marginTop = bzik + "px";
	document.getElementById("popupBody").style.display = "block";
}



function popHide( filename ) {
	
	window.onscroll = null;

	document.getElementById("popupBody").style.display = "none";

}