function open_window() {
	var platform;
	var browser;
	var version;
	version = parseInt(navigator.appVersion);
	if (navigator.userAgent.indexOf('Win') == -1) {
		platform = 'Macintosh';
	}
	else {
		platform = 'Windows';
	}
	if (navigator.appName.indexOf('Netscape') == -1) {
		browser = 'IE';
	}
	else {
		browser = 'Netscape';
	}
	if (navigator.userAgent.indexOf('Gecko') == -1) {
		netscape6 = false;
	}
	else {
		netscape6 = true;
	}
	var adjWidth = 0;
	var adjHeight = 0;
	if ((platform == 'Macintosh') && (browser == 'Netscape')) {
		var adjWidth = 20;
		var adjHeight = 35;
	}
	if ((platform == 'Macintosh') && (browser == 'IE')) {
		var adjWidth = -20;
		var adjHeight = -35;
		//winOptions = 'fullscreen=yes';
	}
	if ((platform == 'Windows') && (browser == 'Netscape') && (netscape6 == true)) {
		var adjWidth = 6;
		var adjHeight = 25;
	}
	else if ((platform == 'Windows') && (browser == 'Netscape') && (netscape6 == false)) {
		var adjWidth = 11;
		var adjHeight = 30;
	}
	if ((platform == 'Windows') && (browser == 'IE')) {
		var adjWidth = 9;
		var adjHeight = 29;
	}
	var winSize = 'width=' + (screen.availWidth - adjWidth) + ',height=' + (screen.availHeight - adjHeight) + ',location=no,scrollbars=auto,menubar=no,statusbar=no,toolbar=no';
	var full = window.open('index_2.html', 'index_2', winSize);
	full.moveTo(0, 0);
}