// Get rid of footer entirely.....
//function addEvent(obj, evType, fn)
//{
//    if (obj.addEventListener)
//    { 
//        obj.addEventListener(evType, fn, false); 
//        return true; 
//    } 
//    else if (obj.attachEvent)
//    { 
//        var r = obj.attachEvent("on"+evType, fn); 
//        return r; 
//    }
//    else
//    { 
//         return false; 
//    } 
//}

//addEvent(window, 'load', overridegradient);

//function overridegradient()
//{
//    var ftr = document.getElementById("msviFooter");
//    if (ftr != null)
//    {
//        if (ftr.nextSibling.nextSibling.nodeName == 'TABLE')
//        {
//        ftr.nextSibling.nextSibling.style.display = 'none';
//        }
//    }
//    else 
//    {
//        alert("Doh!");
//    }
//}

var currDir = null;

function showWSProduct(id){
	document.getElementById('prod1').style.display = "none";
	if (currDir != null && currDir != id){
		document.getElementById(currDir).style.display = "none";
	}
	currDir = id;
	document.getElementById(id).style.display = "block";

}

function showVSProduct(id){
	document.getElementById('prod2').style.display = "none";
	if (currDir != null && currDir != id){
		document.getElementById(currDir).style.display = "none";
	}
	currDir = id;
	document.getElementById(id).style.display = "block";

}

function showSQLProduct(id){
	document.getElementById('prod3').style.display = "none";
	if (currDir != null && currDir != id){
		document.getElementById(currDir).style.display = "none";
	}
	currDir = id;
	document.getElementById(id).style.display = "block";

}


var old_clicked_term = -1			// initially there is no button highlighted...
	
function click_term(button_id, do_action)
	{
		// turn off old highlight
		document.getElementById('button_0').className='project-button-off'
		if(old_clicked_term > -1)
			document.getElementById('button_' + old_clicked_term).className='project-button-off'
		old_clicked_term = button_id
		
		// make new highlight
		document.getElementById('button_' + button_id).className='project-button-on'
	}