//test for browser and determine what type of printing instructions 
//should be given 
 var browser = navigator.appName;
 var version = parseInt(navigator.appVersion);
 var platform = navigator.platform;
		var msg3 = "</a>";
	if (browser == "Netscape" && version != 3) {
		var msg1 = 'print window';
		var msg2 = '<a href=\"\" onclick=\"window.print();return false;\">';
	} else {
		var msg1 = 'printing instructions';
		var msg2 = '<a href=\"javascript:instruct();\">';
	}
	function instruct() {
		if (!platform) {
			var howto = "Select \"Print\" from the \"File\" menu above.";
		} else if (platform == "Win32" || platform == "Win16") {
			var howto = "Push the \"Control\" key and the letter \"P\" together to print this page.";
		} else {
			var howto = "Select \"Print\" from the \"File\" menu above.";
		}
		alert(howto);
	}