Miscellany

var getSite = function(e) {
		YAHOO.util.Event.preventDefault(e);
				// Set the datasource path
				this.myDataSource = new YAHOO.util.DataSource("");
				// Set the datasource connection method to POST   
				this.myDataSource.connMethodPost = true;   
				// Set the datasource type to JSON
				this.myDataSource.responseType = YAHOO.util.DataSource.TYPE_JSON;
				// Set the keys use from the JSON datasource
				this.myDataSource.responseSchema = {   
					fields: ["csv_company_id","name"]   
				};
				
				// Set the headers for each key
				var myColumnDefs = [   
						{key:"csv_company_id", label:"Buxton CID"},   
						{key:"name", label:"Buxton Company Name"} 
				];
				
				var myDataTable = new YAHOO.widget.DataTable("company-sites", myColumnDefs, myDataSource); 

}

YAHOO.util.Event.addListener("dropdown-sites", "change", getSite);
YAHOO.util.Event.addListener(window, "load", getSite);