function show_welcome()
{
	var array_scroll=get_Scrollpos();
	if (array_scroll[1]>0)
	{
		document.getElementById('welcome_popup').style.top=array_scroll[1]+50;
	}
	document.getElementById('welcome_popup').style.display="";

}

function close_welcome()
{
	document.getElementById('welcome_popup').style.display="none";

}


function get_Scrollpos() {
  var screen_offset_x = 0
  var screen_offset_y = 0;
  if( typeof( window.pageYOffset ) == 'number' ) 
	{
      screen_offset_y = window.pageYOffset;
      screen_offset_x = window.pageXOffset;
    } 
  else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) 
  {
  
    screen_offset_y = document.body.scrollTop;
    screen_offset_x = document.body.scrollLeft;
  } 
  else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) 
  {
    screen_offset_y = document.documentElement.scrollTop;
    screen_offset_x = document.documentElement.scrollLeft;
  }
  return [ screen_offset_x, screen_offset_y ];
}