function loadLinkStyles()
{
    icebridgeLinkStyles();
};
addLoadEvent(loadLinkStyles);

function icebridgeLinkStyles()
{
	var url = document.location.href;

// conditions for ICESat navigation

// Overview
	var overview = url.match(/(\/)[#]?$/);
	var overviewIndex = url.match(/\/icebridge\/index.html/);
	
	if(overview || overviewIndex)
	{
		document.getElementById("navIcebridgeOverview").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeOverview').innerHTML = 'Overview';
	}
	
	// Data Summaries
	if(url.match(/data_summaries.html/))
	{
		document.getElementById("navIcebridgeDataSummaries").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeDataSummaries').innerHTML = 'Data Summaries';
	}
	
	// Data Versions
	if(url.match(/data_versions.html/))
	{
		document.getElementById("navIcebridgeDataVersions").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeDataVersions').innerHTML = 'Data Versions';	
	}
	// Instrument Data Summaries
	if(url.match(/instr_data_summary.html/))
	{
		document.getElementById("navIcebridgeInstrDataSummaries").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeInstrDataSummaries').innerHTML = 'Instrument Data Summaries';	
	}
	// Campaign Data Summaries
	if(url.match(/campaign_data_summary.html/))
	{
		document.getElementById("navIcebridgeCampaignDataSummaries").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeCampaignDataSummaries').innerHTML = 'Campaign Data Summaries';	
	}
	// Order Data
	if(url.match(/order.html/))
	{
		document.getElementById("navIcebridgeOrderData").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeOrderData').innerHTML = 'Order Data';
	}
	// Tools
	if(url.match(/tools.html/))
	{
		document.getElementById("navIcebridgeTools").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeTools').innerHTML = 'Tools';
	}
	// News
	if(url.match(/news.html/))
	{
		document.getElementById("navIcebridgeNews").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeNews').innerHTML = 'News';
	}




/* Commented out until additional pages made

// Release Schedules
	
	if(url.match(/current_release_schedule.html/))
	{
		document.getElementById("navIcebridgeRelease").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeRelease').innerHTML = 'Release Schedules';
	}

	if(url.match(/past_release_schedule.html/))
	{
		document.getElementById("navIcebridgeRelease").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeRelease').innerHTML = 'Release Schedules';
	}
	
	if(url.match(/orbit_grnd_trck.html/))
	{
		document.getElementById("navIcebridgeRelease").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeRelease').innerHTML = 'Release Schedules';
	}


// Description of Data Releases
	
	if(url.match(/data_releases.html/))
	{
		document.getElementById("navIcebridgeVersions").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeVersions').innerHTML = 'Description of Data Releases';
	}
	
	if(url.match(/past_releases.html/))
	{
		document.getElementById("navIcebridgeVersions").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeVersions').innerHTML = 'Description of Data Releases';
	}

	if(url.match(/isips_release.html/))
	{
		document.getElementById("navIcebridgeVersions").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeVersions').innerHTML = 'Description of Data Releases';
	}

	if(url.match(/yxx_release_numbers.html/))
	{
		document.getElementById("navIcebridgeVersions").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeVersions').innerHTML = 'Description of Data Releases';
	}

	if(url.match(/format_changes_rel19.html/))
	{
		document.getElementById("navIcebridgeVersions").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeVersions').innerHTML = 'Description of Data Releases';
	}

	if(url.match(/format_changes_rel22.html/))
	{
		document.getElementById("navIcebridgeVersions").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeVersions').innerHTML = 'Description of Data Releases';
	}

	if(url.match(/format_changes_rel24.html/))
	{
		document.getElementById("navIcebridgeVersions").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeVersions').innerHTML = 'Description of Data Releases';
	}

	if(url.match(/format_changes_rel26.html/))
	{
		document.getElementById("navIcebridgeVersions").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeVersions').innerHTML = 'Description of Data Releases';
	}


	if(url.match(/format_changes_rel28.html/))
	{
		document.getElementById("navIcebridgeVersions").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeVersions').innerHTML = 'Description of Data Releases';
	}

// Order Data
	
	if(url.match(/order.html/))
	{
		document.getElementById("navIcebridgeOrderData").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeOrderData').innerHTML = 'Order Data';
	}


// Laser Operational Periods
	
	if(url.match(/laser_op_periods.html/))
	{
		document.getElementById("navIcebridgeLaser").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeLaser').innerHTML = 'Laser Operational Periods';
	}

	if(url.match(/laser1_orbit.html/))
	{
		document.getElementById("navIcebridgeLaser").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeLaser').innerHTML = 'Laser Operational Periods';
	}


	if(url.match(/laser2a_orbit.html/))
	{
		document.getElementById("navIcebridgeLaser").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeLaser').innerHTML = 'Laser Operational Periods';
	}

	if(url.match(/laser2b_orbit.html/))
	{
		document.getElementById("navIcebridgeLaser").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeLaser').innerHTML = 'Laser Operational Periods';
	}

	if(url.match(/laser2c_orbit.html/))
	{
		document.getElementById("navIcebridgeLaser").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeLaser').innerHTML = 'Laser Operational Periods';
	}


	if(url.match(/laser3a_orbit.html/))
	{
		document.getElementById("navIcebridgeLaser").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeLaser').innerHTML = 'Laser Operational Periods';
	}

	if(url.match(/laser3b_orbit.html/))
	{
		document.getElementById("navIcebridgeLaser").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeLaser').innerHTML = 'Laser Operational Periods';
	}

	if(url.match(/laser3c_orbit.html/))
	{
		document.getElementById("navIcebridgeLaser").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeLaser').innerHTML = 'Laser Operational Periods';
	}


	if(url.match(/laser3d_orbit.html/))
	{
		document.getElementById("navIcebridgeLaser").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeLaser').innerHTML = 'Laser Operational Periods';
	}

	if(url.match(/laser3e_orbit.html/))
	{
		document.getElementById("navIcebridgeLaser").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeLaser').innerHTML = 'Laser Operational Periods';
	}
	
	if(url.match(/laser3f_orbit.html/))
	{
		document.getElementById("navIcebridgeLaser").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeLaser').innerHTML = 'Laser Operational Periods';
	}


	if(url.match(/laser3g_orbit.html/))
	{
		document.getElementById("navIcebridgeLaser").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeLaser').innerHTML = 'Laser Operational Periods';
	}

	if(url.match(/laser3h_orbit.html/))
	{
		document.getElementById("navIcebridgeLaser").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeLaser').innerHTML = 'Laser Operational Periods';
	}
	
	if(url.match(/laser3i_orbit.html/))
	{
		document.getElementById("navIcebridgeLaser").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeLaser').innerHTML = 'Laser Operational Periods';
	}


	if(url.match(/laser3j_orbit.html/))
	{
		document.getElementById("navIcebridgeLaser").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeLaser').innerHTML = 'Laser Operational Periods';
	}		
	
// Image Gallery

	if(url.match(/gallery.html/))
	{
		document.getElementById("navIcebridgeImageGallery").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeImageGallery').innerHTML = 'Image Gallery';
	}

	if(url.match(/amery.html/))
	{
		document.getElementById("navIcebridgeImageGallery").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeImageGallery').innerHTML = 'Image Gallery';
	}
	
	if(url.match(/icebridge.html/))
	{
		document.getElementById("navIcebridgeImageGallery").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeImageGallery').innerHTML = 'Image Gallery';
	}	

	if(url.match(/icebridge_bus.html/))
	{
		document.getElementById("navIcebridgeImageGallery").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeImageGallery').innerHTML = 'Image Gallery';
	}

	if(url.match(/icebridge_fairing.html/))
	{
		document.getElementById("navIcebridgeImageGallery").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeImageGallery').innerHTML = 'Image Gallery';
	}


	if(url.match(/icebridge_spots.html/))
	{
		document.getElementById("navIcebridgeImageGallery").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeImageGallery').innerHTML = 'Image Gallery';
	}

	if(url.match(/icebridge_spots_santa_rosa.html/))
	{
		document.getElementById("navIcebridgeImageGallery").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeImageGallery').innerHTML = 'Image Gallery';
	}

	if(url.match(/hektoria.html/))
	{
		document.getElementById("navIcebridgeImageGallery").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeImageGallery').innerHTML = 'Image Gallery';
	}

	if(url.match(/backscatter.html/))
	{
		document.getElementById("navIcebridgeImageGallery").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeImageGallery').innerHTML = 'Image Gallery';
	}


	if(url.match(/pbl_greatbasin.html/))
	{
		document.getElementById("navIcebridgeImageGallery").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeImageGallery').innerHTML = 'Image Gallery';
	}
	
// FAQs
	
	if(url.match(/faq.html/))
	{
		document.getElementById("navIcebridgeFaqs").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeFaqs').innerHTML = 'FAQs';
	}	
	
// Research
	
	if(url.match(/research.html/))
	{
		document.getElementById("navIcebridgeResearch").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navIcebridgeResearch').innerHTML = 'Published Research';
	}

*/
		
// if none of these conditions, do nothing
	
	else {}
	
}