// Copyright 2000 Adobe Systems Incorporated. All rights reserved. Permission
// to use, modify, distribute, and publicly display this file is hereby
// granted. This file is provided "AS-IS" with absolutely no warranties of any
// kind. Portions (C) Netscape Communications 1999.

// If you modify this file, please share your changes with Adobe and other SVG
// developers at http://www.adobe.com/svg/.

// Version 3/23/00

function getBrowser()
{
var agt=navigator.userAgent.toLowerCase();
var v_maj=parseInt(navigator.appVersion);
var v_min=parseFloat(navigator.appVersion);
// alert('Agt: '+agt+' V_maj: '+v_maj+' V_min: '+v_min);
is_nav=((agt.indexOf('mozilla')!=-1)&&(agt.indexOf('spoofer')==-1)&&
	(agt.indexOf('compatible')==-1)&&(agt.indexOf('opera')==-1)&&
	(agt.indexOf('webtv')==-1));
is_nav3=(is_nav&&(v_maj==3));
is_nav4up=(is_nav&&(v_maj>=4));
is_nav407up=(is_nav&&(v_min>=4.07));
is_nav408up=(is_nav&&(v_min>=4.08));
is_mozff1_5=(agt.indexOf("firefox/")!=-1);
is_ie=(agt.indexOf("msie")!=-1);
is_ie3=(is_ie&&(v_maj<4));
is_ie4=(is_ie&&(v_maj==4)&&(agt.indexOf("msie 5.0")==-1));
is_ie4up=(is_ie&&(v_maj>=4));
is_ie5=(is_ie&&(v_maj==4)&&(agt.indexOf("msie 5.0")!=-1)); 
is_ie5up=(is_ie&&!is_ie3&&!is_ie4);
is_win=((agt.indexOf("win")!=-1)||(agt.indexOf("16bit")!=-1));
is_win95=((agt.indexOf("win95")!=-1)||(agt.indexOf("windows 95")!=-1));
is_win98=((agt.indexOf("win98")!=-1)||(agt.indexOf("windows 98")!=-1));
is_winnt=((agt.indexOf("winnt")!=-1)||(agt.indexOf("windows nt")!=-1));
is_win32=(is_win95||is_winnt||is_win98||
	((v_maj>=4)&&(navigator.platform=="Win32"))||
	(agt.indexOf("win32")!=-1)||(agt.indexOf("32bit")!=-1));
is_mac=(agt.indexOf("mac")!=-1);
is_macPPC=(is_mac&&((agt.indexOf("ppc")!=-1)||(agt.indexOf("powerpc")!=-1)));
is_opera=((agt.indexOf('opera')!=-1)&&(v_maj>=8));
}

function setCookie(name, value, expires, path, domain, secure) {
var curCookie=name+"="+escape(value)+
	((expires)?"; expires="+expires.toGMTString():"")+
	((path)?"; path="+path:"")+
	((domain)?"; domain="+domain:"")+
	((secure)?"; secure":"");
document.cookie=curCookie;
}

// returns null if cookie not found
function getCookie(name) {
var dc=document.cookie;
var prefix=name+"=";
var begin=dc.indexOf("; "+prefix);
if(begin==-1) {
	begin=dc.indexOf(prefix);
	if(begin!=0)
		return null;
	}
else
	begin+=2;
var end=document.cookie.indexOf(";",begin);
if(end==-1)
end=dc.length;
return unescape(dc.substring(begin+prefix.length,end));
}

function deleteCookie(name, path, domain) {
if(getCookie(name))
	document.cookie=name+"="+((path)?"; path="+path:"")+
	((domain)?"; domain="+domain:"")+"; expires=Thu, 01-Jan-70 00:00:01 GMT";
}

function fixDate(date) {
var base=new Date(0);
var skew=base.getTime();
if(skew>0)
	date.setTime(date.getTime()-skew);
}

//var svgInstallBase="http://www.adobe.com/svg/viewer/install/";
var svgInstallBase="http://www.genopro.com/help/report-generator/svg/";
var svgInstallPage=svgInstallBase+"";
var svgInfoPage="http://www.adobe.com/svg/";
var svgDownloadPage=svgInstallBase;
var checkIntervalDays=30;
var firstSVG=true; // Ask only once per page even without cookies

function getSVGInstallPage() {
return svgInstallPage+"?"+location;
}

function getCheckInterval() {
return checkIntervalDays*24*60*60*1000;
}

// The value of the cookie is '0'. We need some value, but it doesn't matter what.
// We set the cookie for the entire site by specifying the path '/'.
// We could include something from adobe.com and set the cookie for that site.
// This would enable only asking once no matter how many sites a user encounters
// with SVG.
function setSVGCookie() {
if(getCheckInterval()>0) {
	var expires=new Date();
	fixDate(expires); // NN2/Mac bug
	expires.setTime(expires.getTime()+getCheckInterval());
//	setCookie('SVGCheck','0',expires,'/') commented out by Ron
	}
}

function isSVGPluginInstalled() {
return (navigator.mimeTypes["image/svg"]&&navigator.mimeTypes["image/svg"].enabledPlugin!=null)||
       (navigator.mimeTypes["image/svg+xml"]&&navigator.mimeTypes["image/svg+xml"].enabledPlugin!=null)||
       (navigator.mimeTypes["image/svg-xml"]&&navigator.mimeTypes["image/svg-xml"].enabledPlugin!=null);
}

function checkSVGViewer() {
window.askForSVGViewer=false;
if(window.svgInstalled)
	return;
getBrowser();
if(is_mozff1_5) {
	window.svgViewerAvailable=true;
	}
else if(is_win32 && is_ie4up) {
	window.svgViewerAvailable=true;
	window.svgInstalled=isSVGControlInstalled();
	if(!window.svgInstalled)
		window.askForSVGViewer=true;
	}
if(is_mozff1_5) {
	window.svgViewerAvailable=true;
	window.svgInstalled=true;
	}
else if((is_win32 && is_nav4up) || (is_macPPC && is_nav407up)) {
	window.svgViewerAvailable=true;
	window.svgInstalled=isSVGPluginInstalled();
	if(!window.svgInstalled&&is_nav408up&&navigator.javaEnabled())
		window.askForSVGViewer=true;
	}
else if(is_macPPC && is_ie5up) {
	window.svgViewerAvailable=true;
	}
if(is_opera) {
	window.svgViewerAvailable=true;
	window.svgInstalled=true;
	}
}

function getSVGViewer() {
if(confirm('You need a SVG viewer to display this family tree and the Adobe SVG Viewer is not installed. To install it click "OK" and follow the instructions. You can then return to this page to display the family tree. Do you wish to install the Adobe SVG Viewer now?')) {
	location=getSVGInstallPage();
	winref = window.open(getSVGInstallPage());
	}
}

function checkAndGetSVGViewer() {
checkSVGViewer();
var svgCookie=getCookie('SVGCheck');
 if(firstSVG&&!svgCookie) {
	if(window.askForSVGViewer) {
		setSVGCookie();
		getSVGViewer();
		}
	firstSVG=false;
	}
}

function emitSVG(embedAttrs) {
if(window.svgInstalled)
	document.writeln('<embed '+embedAttrs+'>');
else if(window.askForSVGViewer){
	if(navigator.appName=='Netscape') {
		document.writeln('<p>To view this page you need an SVG viewer.');
		document.writeln('<a href="'+getSVGInstallPage()+'">Click here</a> for more information.</p>');
		}
	else
		document.writeln('<embed '+embedAttrs+' pluginspage="'+getSVGInstallPage()+'">');
	}
else if(window.svgViewerAvailable)
	document.writeln('<embed '+embedAttrs+' pluginspage="'+svgDownloadPage+'">');
else {
	document.writeln('<p>To view this page you need an SVG viewer. There is currently no Adobe SVG ');
	document.writeln('Viewer available for your browser. ');
	document.writeln('<a href="'+svgInfoPage+'">Click here</a> for more information.</p>');
	}
}