function openwindow(pag) {
	//default window width and height
	w=100; h=100;
	//detect window width and height
	if (document.all||document.layers||document.getElementById) {
	    w = screen.availWidth;
	    h = screen.availHeight;
	}
	//the open function
	window.open(pag,"windonga","toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=yes, copyhistory=no, width="+w+", height="+h+", screenX=0, screenY=0, top=0, left=0")
}
function abreinfo()
{
	if (document.getElementById)
	{ 
		document.getElementById('verinfo').style.display="none";
		document.getElementById('lainfo').style.display="block";
	}
}
function cierrainfo()
{
	if (document.getElementById)
	{ 
		document.getElementById('verinfo').style.display="block";
		document.getElementById('lainfo').style.display="none";
	}
}