To center the chart in the page, you'll have to use CSS, perhaps something 
like this:

#visualization: {

    margin-left: auto;
    margin-right: auto;

}

To get the currency sign to appear, you will have to format the data in 
your DataTable (and format the vAxis of the chart if you want that to have 
the currency symbol as well), like this:

function drawVisualization() {
    // Create and populate the data table.
    var data = google.visualization.arrayToDataTable([
        ['Years', 'Average Sold Price'],
        ['2002', 342371],
        ['2003', 365556],
        ['2004', 402310],
        ['2005', 430962],
        ['2006', 460739],
        ['2007', 490932],
        ['2008', 507621],
        ['2009', 526248],
        ['2010', 588254],
        ['2011', 623887],
        ['2012', 681408]
    ]);

    var formatter = new google.visualization.NumberFormat({pattern: 
'$####'});
    formatter.format(data, 1);
    
    // Create and draw the visualization.
    new 
google.visualization.LineChart(document.getElementById('visualization')).
    draw(data, {
        curveType: "function",
        align: center
        width: 500,
        height: 400,
        vAxis: {
            maxValue: 10,
            format: '$####'
        }
    });
}

On Monday, February 4, 2013 4:43:30 PM UTC-5, Todd Lee wrote:
>
> I would like to know how to center  the graph below and get the currency 
> sign to show.
> Thanks in advance.
>
>
>
> !DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "
> http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd";>
> <html xmlns="http://www.w3.org/1999/xhtml";>
>   <head>
>     <meta http-equiv="content-type" content="text/html; charset=utf-8"/>
>     <title>
>       Average Sale Price History
>     </title>
>     <script type="text/javascript" src="http://www.google.com/jsapi
> "></script>
>     <script type="text/javascript">
>       google.load('visualization', '1', {packages: ['corechart']});
>     </script>
>     <script type="text/javascript">
>       function drawVisualization() {
>         // Create and populate the data table.
>         var data = google.visualization.arrayToDataTable([
>           ['Years', 'Average Sold Price'],
>     ['2002',   342371],       
>     ['2003',   365556],       
>     ['2004',   402310],       
>     ['2005',   430962],       
>     ['2006',   460739],       
>     ['2007',   490932],       
>     ['2008',   507621],       
>     ['2009',   526248],       
>     ['2010',   588254],       
>     ['2011',   623887],     
>     ['2012',   681408]
>         ]);
>       
>         // Create and draw the visualization.
>         new 
> google.visualization.LineChart(document.getElementById('visualization')).
>             draw(data, {curveType: "function",
>                         align: center
>                         width: 500, height: 400,
>                         vAxis: {maxValue: 10}}
>                 );
>       }
>       
>
>       google.setOnLoadCallback(drawVisualization);
>     </script>
>   </head>
>   <body style="font-family: Arial;border: 0 none;">
>     <div id="visualization" style="width: 500px; height: 400px;"></div>
>   </body>
> </html>
> 
>

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