load callback each select selected

<input type="hidden" name="projectID" id="projectID" value="<%=projectID%>" />

$("#pName").load(

'../data/projectName.jsp',

function(){

$(this).each($("#pName > option[value = " + $("#projectID").val() + "]").attr("selected","true"));

}

);

<select id="pName" name="pName"></select>