moving page by click target on div

i have a label, when the html text = "READ ALL 3 REVIEWS" , it able scroll to the <div id="example">, need to detect the frist word start with R because the munber no of 3 get from server.
else the html text ="WRITE The frist review" it redirect to another place example home.aspx
<asp:Label ID="lblrate" runat="server" Text="WRITE THE FIRST REVIEW" class="lblrate"></asp:Label> pls help me create a script thx~