var popWin;

function popPage(popup_site,name_site,pos_x_st) {
	if (popWin && !popWin.closed && popWin.focus) {
		popWin.focus();
	} else {
		popWin = window.open(popup_site,name_site,'width=920,height=760,screenX='+pos_x_st+',screenY=20,scrollbars=yes,resizable=no,toolbar=no,status=no,menubar=no,location=no');
		popWin.focus();
	}
}