var nav_links = new Array( "home", "vets", "staff", "services", "pet_care", "news", "location", "boarding", "grooming", "contact", "senior_pets", "tour", "new_clients", "pres", "links", "exotic_pets" );
var rollover_states = new Array( "on", "off" );
// Preload navbar link images 
for ( nav_link in nav_links ) {
  for ( rollover_state in rollover_states ) {
    window[ ( "nav_link_" + nav_links[ nav_link ] + "_" + rollover_states[ rollover_state ] ) ] = new Image();
   
    window[ ( "nav_link_" + nav_links[ nav_link ] + "_" + rollover_states[ rollover_state ] ) ].src = "images/layout/nav_bar/" + nav_links[ nav_link ] + "_" + rollover_states[ rollover_state ] + ".gif";
  }
  // end for
}
// end for
function nav_roll( nav_link_name, new_rollover_state )
{
	if ( window.site_section_ID == void(0) )
	{
		window.site_section_ID = "NULL";
  }
  if ( nav_link_name == window.site_section_ID )
	{
		return;
	}
	// Rollover the navbar link image 
	if ( document.images[ "nav_link_" + nav_link_name ] != void(0) )
	{
		document.images[ "nav_link_" + nav_link_name ].src = window[ "nav_link_" + nav_link_name + "_" + new_rollover_state ].src;
	}
	return;
}
// end nav_roll
function show_PDF_info()
{
  if ( window[ 'win_PDF_info' ] == void(0) )
	{
		window[ 'win_PDF_info' ];
  }
  window[ 'win_PDF_info' ] = window.open( "pdfinfo.html", "winPDFInfo", "scrollbars=yes,width=300,height=300" );
  window[ 'win_PDF_info' ].self.focus();
  return;
}
// end show_PDF_info
function CAMC_view_vpa_article( article_ID )
{
	window.win_vpa_article = window.open( ( "view_vpa_article.php/" + article_ID ), "win_vpa_article", "width=450,height=420,scrollbars=yes,resizable=yes" );
	window.win_vpa_article.self.focus();
	return;
}
// end CAMC_view_vpa_article