I have a html page with table structure....As soon as I open the page I want the headings to be visible, and once user clicks on the heading he shpuld be able to see the rows under that section. I am attaching a screen shot of the page In ths image I want only the blue secton to be visible when page opens, and clickng on the blue section sbould show the lines under that.... Please help me. Any litle idea will be much appreciated..