function refresh_parent() {
		if (window.opener != null) {
			var href = window.opener.location.href;
			window.opener.location.assign(href);
		}
 }


 function openPopup(loc, w, h) {
	var date = new Date();
	var name = "" + date.getTime();
	var win = null;

	tp = Math.ceil((screen.height-h)/2);
	lf = Math.ceil((screen.width-w)/2);

	var win=window.open(loc,name,"width="+w+",height="+h+",top="+tp+",left="+lf+',channelmode=no,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,copyhistory=no,resizable=no');

	win.focus();
	return win;
 }

 function openPopupScroll(loc, w, h) {
	var date = new Date();
	var name = "" + date.getTime();
	var win = null;

	tp = Math.ceil((screen.height-h)/2);
	lf = Math.ceil((screen.width-w)/2);

	var win=window.open(loc,name,"width="+w+",height="+h+",top="+tp+",left="+lf+',channelmode=no,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,copyhistory=no,resizable=no');

	win.focus();
	return win;
 }


function openFormCentered(waitpage, form, buttonname, widthh, heightt, params)
{
	transformButtonName(form, buttonname);
	var date = new Date();
	var name = "" + date.getTime();
	var win = null;
	win = openWinCentered(waitpage, name, widthh, heightt, params);

	form.target = name;
	form.submit();
	form.target = "_self";
}

function openWinCentered(loc, winname, widthh, heightt, params)
{
    tp = Math.ceil((screen.height-heightt)/2);
    lf = Math.ceil((screen.width-widthh)/2);
    if (params.length > 0)
	params = "," + params;

    var win=window.open(loc,winname,"width="+widthh+",height="+heightt+",top="+tp+",left="+lf+params);
    win.focus();
    return win;
}

function openWin(loc, winname, params)
{
	var win = null;
    win = window.open(loc,winname,params);
	win.moveTo(0,0);
	win.resizeTo(screen.availWidth, screen.availHeight);
}

function windowURLCentered(url, winwidth, winheight, param)
{
	var date = new Date();
	var name = date.getTime();

	var win = openWinCentered(url, name, winwidth, winheight,param);
}