function display(x){
	switch(x)
	{
		case 1:
			hideAll();
			document.getElementById("b_spanish").className = 'dbutton highlight';
			document.getElementById("a_spanish").className = 'illuminate';
			break;    
		case 2:
			hideAll();
			document.getElementById("b_clcs").className = 'dbutton highlight';
			document.getElementById("a_clcs").className = 'illuminate';
			break;
		case 3:
			hideAll();
			document.getElementById("b_ilcs").className = 'dbutton highlight';
			document.getElementById("a_ilcs").className = 'illuminate';
			break;
		case 4:
			hideAll();
			document.getElementById("b_french").className = 'dbutton highlight';
			document.getElementById("a_french").className = 'illuminate';
			break;
		case 5:
			hideAll();
			document.getElementById("b_german").className = 'dbutton highlight';
			document.getElementById("a_german").className = 'illuminate';
			break;
	}
}

function hideAll(){
	document.getElementById("a_default").className = "darken";
	document.getElementById("a_spanish").className = "darken";
	document.getElementById("b_spanish").className = 'dbutton';
	document.getElementById("a_clcs").className = "darken";
	document.getElementById("b_clcs").className = 'dbutton';
	document.getElementById("a_ilcs").className = "darken";
	document.getElementById("b_ilcs").className = 'dbutton';
	document.getElementById("a_french").className = "darken";
	document.getElementById("b_french").className = 'dbutton';
	document.getElementById("a_german").className = "darken";
	document.getElementById("b_german").className = 'dbutton';
}