function personalinfo(id)
{
	var window = document.getElementById(id);

	window.style.display='block';

}

function personalinfoclose(id)
{
	var window = document.getElementById(id);

	window.style.display='none';
}

function metall(md)
{
	if(md == 'off')
	{
		document.getElementById('metall').style.display="none"
		document.getElementById('not_metal').style.display="block"
	}
	else
	{
		document.getElementById('metall').style.display="block"
		document.getElementById('not_metal').style.display="none"
	}
}