function popupwin(page) {
	window.open(page,'popup','width=760,height=565,toolbar=false,scrollbars=false');
}

function fade(dir, amount, step) {
	var navImg1 = document.getElementById('navImg1');
	var f_amount = 0;
	var delay = 50;

	if (!navImg1) {
		setTimeout('fade(\''+dir+'\', '+ amount +', '+ step +')', delay);
		return;
	}

	if (amount < 0) {
		dir = 'in';
		amount = 0;
		delay = 5000;
	}	else if (amount > 100) {
		dir = 'out';
		amount = 100;
		delay = 5000;
	}

	f_amount = amount / 100;
	navImg1.style.opacity = f_amount;
	navImg1.style.filter = 'alpha(opacity='+amount+')';

	if (dir == 'in') setTimeout('fade(\''+dir+'\', '+ (amount+step) +', '+ step +')', delay);
	else if (dir == 'out') setTimeout('fade(\''+dir+'\', '+ (amount-step) +', '+ step +')', delay);
}

function start() {
	setTimeout('fade(\'out\', 100, 3)', 2000);
}

function objectWA(str) {
	document.write(str);
}

window.onload = start;