function toggleTabCalendar(i) {
	document.getElementById("content-calendar").style.display = (i == "on-calendar") ? "block" : "none";
	document.getElementById("content-results").style.display = (i == "on-results") ? "block" : "none";
	document.getElementById("content-features").style.display = (i == "on-features") ? "block" : "none";
	
	document.getElementById("tabs-calendar").className = i;
}


// Clears and replaces input field (this is specific to the yahoo search)
// ---------------------------------------------------------------------- 
function clearSearch(){
	document.getElementById('yahoo').className = 'yahoo-off';
	}
			
function fillSearch(){
	document.getElementById('yahoo').className = 'yahoo-on';
	}