function trocaImagem(e, st_arquivo)
{
	document.getElementById("link_grande").href = st_arquivo; //event.srcElement.src;
	document.getElementById("grande").src = st_arquivo; //event.srcElement.src;
	if (document.all) document.getElementById("legenda").innerText = e.srcElement.alt;
	else document.getElementById("legenda").innerHTML = e.target.alt;
}

function executaVideo(e, st_arquivo)
{
	st_projeto = document.getElementById("titulo").innerHTML;
	
	if (document.all) st_legenda = e.srcElement.alt;
	else st_legenda = e.target.alt;
	
	janela=window.open('video.php?st_arquivo='+st_arquivo+'&st_projeto='+st_projeto+'&st_legenda='+st_legenda, 'be_video', 'toolbar=no, location=no, statusbar=no, menubar=no, scrollbars=no, resizable=yes, width=320, height=340'); 
	janela.focus();
}