ConceptPropertiesPanel = function() {

    this.source = {   ***// if i set source this way, it will work***

	"(name)": "My Object",
	"Created": new Date(Date.parse('10/15/2006')),
	"Available": false,
	"Version": .01,
	"Description": "A test object"
};

ConceptPropertiesPanel.superclass.constructor.call(this, {
    id: 'concetp-properties',
    region: 'east',
    title: 'Concept Properties',
	autoScroll: true,
	margins: '0 5 0 0',
    split: true,
    width: 250,
    minSize: 250,
    maxSize: 400,
    collapsible: true,
	source: {}
})

setSourceData: function(data) { **//I want to set source when the below method is called, but not working**
	this.setSource({
		"(name)": "My Object",
		"Created": new Date(Date.parse('10/15/2006')),
		"Available": false,
		"Version": .01,
		"Description": "A test object"
	});
}

});

var conceptPropertiesPanel = new ConceptPropertiesPanel();
conceptPropertiesPanel.setSourceData(data);

ConceptPropertiesPanel = function(config) {

this.source = config || {   ***// if i set source this way, it will work***

    "(name)": "My Object",
    "Created": new Date(Date.parse('10/15/2006')),
    "Available": false,
    "Version": .01,
    "Description": "A test object"