//script.js

	function display(toDisplay,toHide,activeButton, inactiveButton) {
		
		hide(toDisplay,toHide);
		colorButton(activeButton,inactiveButton);
		
	}//end display function
	
	function colorButton(activeButton,inactiveButton) {
		
		if( document.getElementById(activeButton) && document.getElementById(inactiveButton) )
		{
			var objActive   = document.getElementById(activeButton);
			var objInactive = document.getElementById(inactiveButton);
			objActive.className = 'active';
			objInactive.className = 'inactive';
		}//if
	
	}//end colorButton
	
	
	function hide(toDisplay,toHide) {
		
		if( document.getElementById(toDisplay) && document.getElementById(toHide) )
		{
			var objDisplay = document.getElementById(toDisplay);
			var objHide    = document.getElementById(toHide);
			objDisplay.style.display = "block";
			objHide.style.display    = "none";
		}
	
	}//end hide function