function popup(URL,name,options)
{
	window.open(URL,name,options);
}

function tamano()
{	
}

function dibuja_espacio()
{
	if ((ie) && (screen.width) > 800)
	{
		document.write ("<tr><td height='68' colspan='3'><img width='1' src='images/shim.gif' height='68'></td></tr>")
	}
}
function dibuja_espaciov()
{
	if ((ie) && (screen.width) > 800)
	{
		document.write ("<td width='115'><img src='images/shim.gif' width='115' height='1'></td>")
	}
}

function abrirLegal(strUrl){
	window.open(strUrl, 'popup', "width=300; height=300; scrollbars=1");
}

function checkMail(mail)
{
	var x = mail;
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (!filter.test(x)) {
    return 1;
  }
  return 0;
}