function browserVersion () {
	var version = '';
	
	var p;
	var UA = navigator.userAgent;
	p  = UA.indexOf("MSIE 5.0");	if (p != -1) version = 'ie50';
	p  = UA.indexOf("Mac_PowerPC");	if (p != -1) version = 'preIe55';
	p  = UA.indexOf("MSIE 5.5");	if (p != -1) version = 'ie55';
	p  = UA.indexOf("MSIE 6.0");	if (p != -1) version = 'ie55'; 
        p  = UA.indexOf("MSIE 7.0");	if (p != -1) version = 'ie55'; 
        p  = UA.indexOf("MSIE 8.0");	if (p != -1) version = 'ie55'; 
    p  = UA.indexOf("Windows CE");	if (p != -1) version = 'preIe55';
	p  = UA.indexOf("Safari");		if (p != -1) version = 'preIe55';
	return version;
}
function parserOk () {
	var ok = 'ok';
	try {
		var parserObj  = new ActiveXObject('MSXML2.DOMDocument.3.0');
	} catch (e) {
		ok = '';
	}
	if (browserVersion ()=='preIe55') ok='ok';
	return ok;
}