Copy and paste the following where you want your chart to appear.

...as a Google Gadget

<script src="http://gmodules.com/ig/ifr?url=http://imagine-it.org/google/spreadsheets/makechart.xml&up_key=&up_ws=&up_chartwidth=&up_chartheight=&up_color=&up_type=&up_ds=&synd=open&w=&h=&title=GSpreadsheets+Chart&border=%23ffffff%7C3px%2C1px+solid+%23999999&output=js"></script>
    

...as inline HTML/Javascript

<!-- ++Begin GSpreadsheets Chart Wizard Generated Code++ -->

<!--
// The following div element will end up holding the chart.
// You can place this anywhere on your page.
-->
<div>
<canvas id="worksheetChart" width="" height="" style="border: 1px solid #eee;">
</canvas>
</div>

<!-- PlotKit Charting Library, MochiKit
//  Note: If you already include the PlotKit or MochiKit libraries, don't include them again
-->
<script src="http://media.liquidx.net/js/mochi/MochiKit.js" type="text/javascript"></script>
<script src="http://media.liquidx.net/js/plotkit-svn/excanvas.js" type="text/javascript"></script>
<script src="http://media.liquidx.net/js/plotkit-svn/PlotKit_Packed.js" type="text/javascript"></script>


<script>
var worksheetJSON;
var dsNum = ;
var ds = {"series": [
	
    ]
};

function loadWorksheetJSON(json) {
    worksheetJSON = json;
    initChart();
    loadChart();
}


var layout = null;
var renderer = null;
var options =  null;

function initChart() {
       options = PlotKit.Base.office();
       options.xOriginIsZero = false;
       layout = new Layout("", options);
       renderer = new SweetCanvasRenderer(document.getElementById("worksheetChart"), layout, options);
}

function loadChart() {
     for(var i=0; i<dsNum; i++){ 
        var chartData = Array();
 	for(var j=0; j< worksheetJSON.feed.entry.length; j++) {
	    var entry = worksheetJSON.feed.entry[j];
	    var xy= Array();
	    eval("xy.push( parseFloat(entry.gsx$"+ds.series[i].xData+".$t))");
	    eval("xy.push( parseFloat(entry.gsx$"+ds.series[i].yData+".$t))");
	    chartData.push(xy);
          }
          layout.addDataset("data"+i, chartData);        
        }
        layout.evaluate();
        renderer.clear();
        renderer.render();   
 }

</script>

<script src="http://spreadsheets.google.com/feeds/list///public/values?alt=json-in-script&callback=loadWorksheetJSON"></script>