function toggleTab(a)
{
    for(i = 1;i <= 3;i++)
    {
        var div = "divtab"+a;
        var div2 = "divtab"+i;
        if(div == div2)
        {
            document.getElementById(div2).style.display = "block";
            document.getElementById("tabimg"+i).src = "Images/sel"+i+".jpg";
        }
        else
        {
            document.getElementById(div2).style.display = "none";
            document.getElementById("tabimg"+i).src = "Images/unsel"+i+".jpg";
        }
    }
} 

function toggleTabSR(a)
{
    for(i = 1;i <= 2;i++)
    {
        var div = "divtab"+a;
        var div2 = "divtab"+i;
        if(div == div2)
        {
            document.getElementById(div2).style.display = "block";
            document.getElementById("tabimg"+i).src = "Images/selSR"+i+".jpg";
            document.getElementById("ctl00_Main_ctl00_txtSelTab").value = a;
        }
        else
        {
            document.getElementById(div2).style.display = "none";
            document.getElementById("tabimg"+i).src = "Images/unselSR"+i+".jpg";
        }
    }
}