function displayImage(id,url)
{

    document.getElementById('main_image').src = url;

    document.getElementById(id).style.border = '1px solid #990000';

}

function seltab(hpref, selected) {
    if (selected == 1){
        document.getElementById("sc1").style.display = "block";
        document.getElementById("sc2").style.display = "none";
    }else{
        document.getElementById("sc1").style.display = "none";
        document.getElementById("sc2").style.display = "block";

    }
}