function is_opener() {
	var ua = navigator.userAgent
	if(!!window.opener)
	if( ua.indexOf('MSIE 4')!=-1 && ua.indexOf('Win')!=-1) 
	return !window.opener.closed
	else return typeof window.opener.document  == 'object'
	else return false
}
function loadToopener(url){
	if(is_opener()) window.opener.location.href=url
	else
	window.open(url,"targetName")
}