var color = new Array;

color[0]="#000000";
color[1]="#000000";
color[2]="#ffffff";
color[3]="#e4e1d8";
color[4]="#391700";

var background = new Array;

background[0]="images/content.jpg";
background[1]="images/content.jpg";
background[2]="images/bbg.gif";
background[3]="images/bj.gif";
background[4]="images/br-001.gif";
background[5]="images/background.gif";
background[6]="images/bg.gif";
background[7]="images/bkg3.gif";

var dsize=10;

function reduce()
{
dsize--;
ContentBody1.style.cssText='{font-size:'+dsize+'pt;}';
document.cookie="FontSize="+dsize;
}

function enlarge()
{
dsize++;
ContentBody.style.cssText='{font-size:'+dsize+'pt;}';
document.cookie="FontSize="+dsize;
}
  
function switchcolor()
{
var i = document.all.usercolor.value;
document.cookie="Color="+i;
document.fgColor=color[i];
}

function switchschema()
{
var i = document.all.userbg.value;
document.cookie="Schema="+i;
ContentBody.background=background[i];
}
///////////////////////////////////////////
var cookies = new Object();

function loadchapter()
{
extractCookies();
var i=cookies["Schema"];
if(i != null)
{
contenttd.background=background[i];
}
i=cookies["Color"];
if(i != null)
{
document.fgColor=color[i];
}

if(cookies["FontSize"] != null)
{
var pat=/[0-9]+/gi;
if(pat.exec(cookies["FontSize"]))
{
dsize=cookies["FontSize"];
ContentBody.style.cssText='{font-size:'+dsize+'pt;}';
}
}
}
///////////////////////////////////////////
function extractCookies()
{
var name,vale ;
var beginning,middle,end;
for (name in cookies)
{
cookies = new Object();
break;
}

beginning=0;
while (beginning<document.cookie.length)
{
middle = document.cookie.indexOf('=',beginning);
end = document.cookie.indexOf(';',beginning);
if (end==-1)
end = document.cookie.length ;

if ( (middle > end) || (middle==-1) )
{
name = document.cookie.substring(beginning,end) ;
value = "" ;
}
else
{
name =  document.cookie.substring(beginning,middle);
value = document.cookie.substring(middle+1,end);
}
cookies[name]=unescape(value);
beginning = end + 2;
}
}