function goto_url(url) {
    eval("parent.location='" + url + "'");
}
function goto_new_url(url) {
    eval("window.open('" + url + "', 'newWindow');");
}
function open_popup(theURL, winName, features) {
    window.open(theURL, winName, features);
}
function update_count(field_name,div_name){
    var new_count=140-field_name.value.length;
    document.getElementById(div_name).innerHTML=new_count;
}
function disable_bt(e) {
    document.getElementById(e).value = 'Please wait...';
    document.getElementById(e).disabled = true
    return true
}
function show(e) {
    document.getElementById(e).style.visibility = 'visible';
}
function hide(e) {
    document.getElementById(e).style.visibility = 'hidden';
}