window.onload=function()
{
    nsidcLinkStyles();
    demsLinkStyles();
    // add other functions to be called onload below
   
    writeCaption();
    window.setTimeout('cycle();',6000);
    (loadbanners());
    (urlswitch());
}

function hideItems() {
	var list = document.getElementById("subNav").getElementsByTagName("ul");
	for(i=0;i<list.length;i++) {
		list[i].style.display="none";
	}
}
function demsLinkStyles()
{
	var url = document.location.href;

// conditions for DAAC navigation

// Overview
	
	if(url.match(/dems\/index.html/))
	{
		document.getElementById("navDemsOverview").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navDemsOverview').innerHTML = 'Overview';
	}
	
// Data Sets
	if(url.match(/datasets.html/))
	{
		document.getElementById("navDemsDatasets").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navDemsDatasets').innerHTML = 'Data Summaries';	
	}
	
// Related Links
	
	if(url.match(/links/))
	{
		document.getElementById("navDemsLinks").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navDemsLinks').innerHTML = 'Related Links';
	}
	

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