function abrirDiv(divOpaco, divImagen) {
	var obj = document.getElementById(divOpaco);
	obj.style.background="#555555";
	obj.style.opacity="0.5";
	//obj.style.alpha.opacity="40"

	var obj2 = document.getElementById(divImagen);
	obj2.style.visibility="visible";
}


function cerrarDiv(divOpaco, divImagen) {
	var obj = document.getElementById(divOpaco);
	obj.style.background="";
	obj.style.opacity="";

	var obj2 = document.getElementById(divImagen);
	obj2.style.visibility="hidden";

}

function abrirDivFoto(divOpaco, divImagen, foto, id) {
	var objFoto = document.images[id];
	eval("objFoto.src='/downloadimage?nombreFichero=" + foto +"'");

	var obj = document.getElementById(divOpaco);
	obj.style.background="#555555";
	obj.style.opacity="0.5";

	var obj2=document.getElementById(divImagen);
	obj2.style.visibility="visible";
}

function cerrarDivFoto(divOpaco, divImagen,id) {
	var obj =document.getElementById(divOpaco);
	obj.style.background="";
	obj.style.opacity="";
	var obj2=document.getElementById(divImagen);
	obj2.style.visibility="hidden";
       var objFoto = document.images[id];
       	eval("objFoto.src='/img/iconos/loading.gif'");
}