window.onload=function()
{
	nsidcLinkStyles();
	seaiceLinkStyles();
	// add other functions to be called onload below

	writeCaption();
	window.setTimeout('cycle();',4000);
	(loadbanners());
	
}
function hideItems() {
	var list = document.getElementById("subNav").getElementsByTagName("ul");
	for(i=0;i<list.length;i++) {
		list[i].style.display="none";
	}
}
function seaiceLinkStyles()
{
	var url = document.location.href;
	
// conditions for Sea Ice navigation 

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

// Data Summaries

	if(url.match(/\/seaice\/data_summaries.html/))
	{
		document.getElementById("navSeaiceData").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navSeaiceData').innerHTML = 'Data Summaries';	
	}
	
// Data Summaries Sub-pages
// Passive Microwave Products

	if(url.match(/\/seaice\/pm.html/))
	{
		document.getElementById("navSeaiceData").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navSeaiceData').innerHTML = 'Data Summaries';	
	}

	
// Other Passive Microwave Products
	
	if(url.match(/\/seaice\/pm_other.html/))
	{
		document.getElementById("navSeaiceData").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navSeaiceData').innerHTML = 'Data Summaries';	
	}
	
// Trends and Climatologies
	
	if(url.match(/\/seaice\/trends.html/))
	{
		document.getElementById("navSeaiceData").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navSeaiceData').innerHTML = 'Data Summaries';	
	}
	
// Visible and Infrared
	
	if(url.match(/\/seaice\/visible.html/))
	{
		document.getElementById("navSeaiceData").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navSeaiceData').innerHTML = 'Data Summaries';	
	}
	
// Field Observations
	
	if(url.match(/\/seaice\/field.html/))
	{
		document.getElementById("navSeaiceData").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navSeaiceData').innerHTML = 'Data Summaries';	
	}
	
	
// Tools
	
	if(url.match(/\/seaice\/tools.html/))
	{
		document.getElementById("navSeaiceTools").className = "secondarySiteNavActive";
		document.getElementById('navSeaiceTools').innerHTML = 'Tools';	
	}
	
// Other Data Sources
	
	if(url.match(/\/seaice\/other.html/))
	{
		document.getElementById("navSeaiceOther").className = "secondarySiteNavActive";
		document.getElementById('navSeaiceOther').innerHTML = 'Other Data Sources';	
	}
		
// FAQs

	if(url.match(/\/seaice\/faq.html/))
	{
		document.getElementById("navSeaiceFaq").className = "secondarySiteNavActiveNoSubnav";
		document.getElementById('navSeaiceFaq').innerHTML = 'FAQs';	
	}

	else {}
			

}