var open1=1;
function unopen()
{
open1=0;
return true;
}
function createwin()
{
if (open1==1)
{
window.showModalDialog("popover-englbasico.html","","dialogHeight: 590px; dialogWidth: 550px; dialogTop: 20px; dialogLeft: 20px; edge: Raised; center: No; help: No; resizable: Yes; status: no;");
}
}