function init() {
IE = (document.all)
NC = (document.layers)
Opera = (document.getElementById)
}

function showHide() {

if (!document.getElementById('tr_login_form')) {return false;}


if (navigator.appName == "Microsoft Internet Explorer") {document.getElementById('tr_login_form').style.display = (document.getElementById('tr_login_form').style.display == 'none')?'block':'none'}
else if (navigator.appCodeName == "Mozilla") {document.getElementById('tr_login_form').style.display = (document.getElementById('tr_login_form').style.display == 'none')?'table-row':'none'}
else if (navigator.appName == "Netscape") {document.getElementById('tr_login_form').style.display = (document.getElementById('tr_login_form').style.display == 'none')?'table-row':'none'}
else if (navigator.appName == "Opera") {document.getElementById('tr_login_form').style.display = (document.getElementById('tr_login_form').style.display == 'none')?'table-row':'none'}
else {document.getElementById('tr_login_form').style.display = (document.getElementById('tr_login_form').style.display == 'none')?'block':'none'}

//document.getElementById('tr_login_form').style.display = (document.getElementById('tr_login_form').style.display == 'none')?'block':'none';
//alert(document.getElementById('tr_login_form').style.display);

}