MAC = navigator.userAgent.indexOf('Mac') != -1;
NN = navigator.appName.indexOf('Netscape') != -1;
IE = navigator.appName.indexOf('Microsoft') != -1;
VER = navigator.appVersion.charAt(0);
IC = NN && VER >= 3 || IE && VER >= 4;

function renovation()
{
	newWindow = window.open("","renovation","width=700,height=672,scrollbars=0,resizable=0,location=0,directories=0,menubar=0,toolbar=0");
	newWindow.focus();
	return newWindow;
}

function is_opener() {
	var ua = navigator.userAgent
		if(!!window.opener)
			if( ( ua.indexOf('Gecko')!=-1 || 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,"detail2","scrollbars=1,resizable=1,location=1,directories=1,menubar=1,toolbar=1, status=1")
	window.opener.focus();
}