//toggle functions;
function resettoggle(n) {
	var e
	var i
	for (i = 1; i <= n; i++) {
		if (e = document.getElementById('T' + i + '_off')) {
			e.style.display = 'none'
		}
		if (e = document.getElementById('T' + i + '_on')) {
			e.style.display = 'block'
		}
	}
}

function toggle_block(id) {
	var e = document.getElementById(id);
	if(e.style.display == 'none')
		e.style.display = 'block'
	else
		e.style.display = 'none'
}

function toggle(id) {
	toggle_block(id + '_on')
	toggle_block(id + '_off')
}

//cursor functions;
function cursor_pointer() {
	document.body.style.cursor='pointer'
}
function cursor_default() {
	document.body.style.cursor='default'
}