/* Simple Browser Checker */
function BrowserChecker() {
    var agt = navigator.userAgent.toLowerCase();
	/* INTERNET EXPLORER */
	var is_ie		= ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
	/* NETSCAPE */
	var is_nav		= ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
						&& (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
						&& (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1));
	/* OTHER BROWSERS */
	var is_aol		= (agt.indexOf("aol") != -1);
	var is_opera	= (agt.indexOf("opera") != -1);
	var is_webtv	= (agt.indexOf("webtv") != -1); 
    /* PLATFORM */
	var is_win		= ((agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) );
	var is_mac		= (agt.indexOf("mac")!=-1);
	var is_other	= (!is_win && !is_mac);
	/* INTERNET EXPLORER */
	this.is_ie		= is_ie;
	/* NETSCAPE */
	this.is_nav		= is_nav;
    /* PLATFORM */
	this.is_win		= is_win;
	this.is_mac		= is_mac;
	this.is_other	= is_other;
}