Subversion Repositories cpu65c02_true_cycle

// 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);

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_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)));

}

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 svgInstallPage=svgInstallBase+"auto/";

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,'/')

        }

}

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);

}

function checkSVGViewer() {

window.askForSVGViewer=false;

if(window.svgInstalled)

        return;

getBrowser();

if(is_win32 && is_ie4up) {

        window.svgViewerAvailable=true;

        window.svgInstalled=isSVGControlInstalled();

        if(!window.svgInstalled)

                window.askForSVGViewer=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;

}

function getSVGViewer() {

if(confirm('The Adobe SVG Viewer is not installed. Download now?'))

        location=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>');

        }

}