function showBtn(flag){
    if(document.all){
        if(flag == 1){
            ihtml.innerHTML = '<input type="submit" value="Go to Sub-Sections" name="next" class="buttn">';
        }
        else{
            ihtml.innerHTML = '';
        }
    }
}
function chkOpt(){
    var numcheck = 0;
    var val = document.forms['container_form'].elements['num_sections'].value;
    for(i=0;i<val;i++){
        if(document.forms['container_form'].elements[i].checked == 1){
            numcheck++;
        }
    }
    if(numcheck == 0){
        alert('Please choose your section!');
        return false;
    }
}
function confDel(opt){
    if(!confirm("Are you sure you want to delete the "+opt+"?")){
        return false;
    }
    else{
        return true;
    }
}
function showHeight(){
    rhght = document.getElementById('right_area').offsetHeight;
    if(document.all){
        document.all('left_area').style.height = (rhght+150);
    }
    else{
        document.layers('left_area').height = (rhght+150);
    }
}
function showLyr(lyrnm){
     if(document.all){
         if(document.all[lyrnm].style.visibility == "hidden"){
             document.all[lyrnm].style.visibility = "visible";
         }
     }
}
function hideLyr(){
    document.all['lyr11'].style.visibility = "hidden";
    document.all['lyr12'].style.visibility = "hidden";
    document.all['lyr16'].style.visibility = "hidden";
    document.all['lyr28'].style.visibility = "hidden";
    document.all['lyr34'].style.visibility = "hidden";
}
function lyrHdn(){
    lyrs = lyrHdn.arguments;
    lyrslen = lyrs.length;
    for(i=0;i<lyrslen;i++){
        document.all[lyrs[i]].style.visibility = "hidden";
    }
}