window.onload=function()
{
	nsidcLinkStyles();
	radarsatLinkStyles();
	// add other functions to be called onload below
	
	writeCaption();
	window.setTimeout('cycle();',4000);
	(loadbanners());
	
}

function radarsatLinkStyles()
{
	var url = document.location.href;
	
// conditions for RADARSAT navigation 

//  Overview
	
	if(url.match(/\/radarsat\/index.html/))
	{
		document.getElementById("navRadarsatOverview").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navRadarsatOverview').innerHTML = 'Overview';
	}

// RAMP Basics
	
	if(url.match(/ramp_basics/))
	{
		document.getElementById("navRadarsatRampBasics").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navRadarsatRampBasics').innerHTML = 'RAMP Basics';	
	}

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

	if(url.match(/data_summaries.html/))
	{
		document.getElementById("navRadarsatDataSummaries").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navRadarsatDataSummaries').innerHTML = 'Data Summaries';
	}
	


	else {}
			

}