var popwindow;

function popup (target, popname, popwidth, popheight)
{
	popwindow = window.open (target,popname,'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width='+popwidth+',height='+popheight);

}

function closepopup ()
{
	window.close();
}

function openpage (target)
{
	window.opener.location.href = target;
}

function wpopup(mylink, windowname)
{
    if (! window.focus)return true;
    var href;
    if (typeof(mylink) == 'string')
       href=mylink;
    else
        href=mylink.href;
        popup=window.open(href, windowname, 'dependent=yes,width=525,height=640,toolbar=yes,scrollbars=yes,menubar=yes,resizable=yes');
        popup.focus();
        return false;
}