function abre() {
	var div = document.getElementById("login_html");
	if (div.style.display == "block") {
		div.style.display = "none";
	} else {
		div.style.display = "block";
	}	
}

function sizeup987() {
	var div = document.getElementById("jcornerBig").style.display = "block";
}
function sizedown987() {
	var div = document.getElementById("jcornerBig").style.display = "none";
}