/* Functions used to show/hide the best of tabs for technotheory - by David Green */
function hideAll() {
/* Hides all tabs and sets all links to default style */
	document.getElementById('t1').style.display = "none";
	document.getElementById('t2').style.display = "none";
	document.getElementById('t3').style.display = "none";
	document.getElementById('t4').style.display = "none";
	document.getElementById('tl1').style.background = "RGB(11, 40, 85)";
	document.getElementById('tl1').style.color = "#fff";
	document.getElementById('tl2').style.background = "RGB(11, 40, 85)";
	document.getElementById('tl2').style.color = "#fff";
	document.getElementById('tl3').style.background = "RGB(11, 40, 85)";
	document.getElementById('tl3').style.color = "#fff";
	document.getElementById('tl4').style.background = "RGB(11, 40, 85)";
	document.getElementById('tl4').style.color = "#fff";
}

function openTab(tabNumber) {
/* Hides all tabs, then opens the requested tab */
	hideAll();
	document.getElementById('t' + tabNumber).style.display = "block";
	document.getElementById('tl' + tabNumber).style.background = "RGB(210, 215, 224)";
	document.getElementById('tl' + tabNumber).style.color = "RGB(11, 40, 85)";
}