function highlightTabs(tabID)
{

	var overviewElem = document.getElementById('overviewTab');
	var featuresElem = document.getElementById('featuresTab');
	var specsElem = document.getElementById('specsTab');

	if (tabID == "overviewTab")
	{
		overviewElem.className = 'selected';
		overviewElem.setAttribute("class", "selected");

		featuresElem.className = 'none';
		featuresElem.setAttribute("class", "none");

		specsElem.className = 'none';
		specsElem.setAttribute("class", "none");
	}

	else if (tabID == "featuresTab")
	{
		overviewElem.className = 'none';
		overviewElem.setAttribute("class", "none");

		featuresElem.className = 'selected';
		featuresElem.setAttribute("class", "selected");

		specsElem.className = 'none';
		specsElem.setAttribute("class", "none");
	}

	else if (tabID == "specsTab")
	{
		overviewElem.className = 'none';
		overviewElem.setAttribute("class", "none");

		featuresElem.className = 'none';
		featuresElem.setAttribute("class", "none");

		specsElem.className = 'selected';
		specsElem.setAttribute("class", "selected");
	}
}



function onClickOverview() {

		highlightTabs('overviewTab');
		document.getElementById('overview_div').style.display='block';
document.getElementById('specs_div').style.display='none';
document.getElementById('features_div').style.display='none';
 }

	 function onClickSpecs()
	 {
		  highlightTabs('specsTab');
		  document.getElementById('overview_div').style.display='none';
		  document.getElementById('specs_div').style.display='block';
		  document.getElementById('features_div').style.display='none';
	 }

	 function onClickFeatures() {

		highlightTabs('featuresTab');
		document.getElementById('overview_div').style.display='none';
		document.getElementById('specs_div').style.display='none';
		document.getElementById('features_div').style.display='block';
	 }

function pageFlagCheck()
{
	var fullURL = parent.document.URL;
	var pageFlag = fullURL.substring(fullURL.indexOf('?')+6, fullURL.length);


	if(pageFlag == "overview")
	{
		document.getElementById('overview_div').style.display='block';
		document.getElementById('specs_div').style.display='none';
		document.getElementById('features_div').style.display='none';
	}

	if(pageFlag == "specs")
	{
		document.getElementById('overview_div').style.display='none';
		document.getElementById('specs_div').style.display='block';
		document.getElementById('features_div').style.display='none';
	}

	if (pageFlag == "features")
	{
		document.getElementById('overview_div').style.display='none';
		document.getElementById('specs_div').style.display='none';
		document.getElementById('features_div').style.display='block';
	} 	
 }
 
 //NW - jump to location
function goToAnchor(elem)
{window.location.hash="pageTop";}