function CalcAge()
{
	var obj = document.getElementById('age');
	var now = new Date();
	var age = now.getFullYear() - 1977;
	
	if((now.getMonth() + 1 == 6 && now.getDate() < 20) || now.getMonth() + 1 < 6)
	{
		age = age - 1;
	}

	obj.innerHTML = age;
}

function ReplaceMail()
{
	var obj = document.getElementById('mail');
	obj.innerHTML = obj.innerHTML.replace(/###/,'@');

	var obj = document.getElementById('mail_link');
	obj.href = obj.href.replace(/###/,'@');
}

function detectBrowser(obj)
{
	if(document.implementation && document.implementation.createDocument)
	{
		obj.href = 'photo_ff.html';
	}
	else
	{
		obj.href = 'photo_ie.html';
	}
}

function RandomIntro()
{
	var rnd = Math.floor(Math.random() * 2 + 1);
	document.body.background = 'i/intro_' + rnd + '.jpg';
}