document.getElementById('tabela_main').style.height = document.body.clientHeight;
var src_width  = screen.width;
var src_height = screen.height;
var isLowRes = false;
if ((src_width == 800)&&(src_height == 600))
{
	var foto_width = 480;
	var foto_height = 360;
	document.getElementById('div_foto').style.width = 480;
	document.getElementById('div_foto').style.height = 300;
	document.getElementById('table_foto').style.width = 482;
	document.getElementById('table_foto').style.height = 300;
	var isLowRes = true;
}
else
{
	var foto_width = 640;
	var foto_height = 480;
	document.getElementById('div_foto').style.width = 480;
	document.getElementById('div_foto').style.height = 480;
	document.getElementById('table_foto').style.width = 642;
	document.getElementById('table_foto').style.height = 500;
}