// Browser Sniffer

function isMSIE() {
	return (navigator.appName.indexOf("Microsoft") != -1);
}
function isNetscape() {
	return (navigator.appName.indexOf("Netscape") != -1);
}


function isMSIE5() {
	return (navigator.appVersion.indexOf("MSIE 5.") != -1);
}
function isMSIE6() {
	return (navigator.appVersion.indexOf("MSIE 6.") != -1);
}
function isMSIE7() {
	return (navigator.appVersion.indexOf("MSIE 7.") != -1);
}
function isNetscape6() {
	return (parseInt(navigator.appVersion.charAt(0)) >= 5);
}