// JavaScript Document

function toggleMenu(menuID) {
	
	for (i=1; i<= 8; i++) {
		if (i != menuID) {
			eval( "document.getElementById('m" + i + "').style.display = 'none';" );
		}
	}
	
	eval( "x = document.getElementById('m" + menuID + "').style.display;" );
	
	if ( x == "block" ) {
		eval( "document.getElementById('m" + menuID + "').style.display = 'none';" );
	} else {
		eval( "document.getElementById('m" + menuID + "').style.display = 'block';" );		
	}
	
}

function startTimeout() {
	myTimer = setInterval( 'closeAllMenus()', 5000 );
}

function closeAllMenus() {
	
	for (i=1; i<= 8; i++) {
		eval( "document.getElementById('m" + i + "').style.display = 'none';" );
	}
	
	clearInterval( myTimer );
	
}

function cancelTimer() {
	
	if ( IsDefined( 'myTimer' ) == true ) {
		clearInterval( myTimer );
	}
	
}

function IsDefined( variable ) {

	return (typeof(window[variable]) == 'undefined')? false : true;

}