I have created a tabbed menu like page1 page2 page3 page4. In the home.aspx iam having 4 panels panel1 panel2 panel3 panel4. when page1 is clicked panel1 is displayed when page2 is clicked panel2 is displayed ... I have done that also. What i want is when page1 is clicked panel1 is displayed and the backgroundcolor of that menu (page1) should be silver. when page2 is clicked panel2 is displayed and the backgroundcolor of that menu (page2) should be silver and so on. and the backgroundcolor should remain silver till the next menu is clicked. how to perform this.