function setDefaultBtn(spanId, btnId) {
	var span = document.getElementById(spanId);
	var btn = document.getElementById(btnId)
	if (span && btn) {
		var newHidden = document.createElement('input');
		newHidden.setAttribute('type','submit');
		newHidden.setAttribute('value','');
		newHidden.setAttribute('name',btn.name);
		newHidden.style.width = '0px';
		newHidden.style.height = '0px';
		newHidden.style.padding = '0px';
		newHidden.style.margin = '0px';
		newHidden.style.borderWidth = '0px';
		span.style.position = 'absolute';
		span.appendChild(newHidden);
	}
}

function setDefaultButton(formId, btnId) {
	var form = document.getElementById(formId);
	var btn = document.getElementById(btnId);
	if (form && btn) {
		var newHidden = document.createElement('input');
		var newSpan = document.createElement('span');
		newHidden.setAttribute('type','submit');
		newHidden.setAttribute('value','');
		newHidden.setAttribute('name',btn.name);
		newHidden.style.width = '0px';
		newHidden.style.height = '0px';
		newHidden.style.padding = '0px';
		newHidden.style.margin = '0px';
		newHidden.style.borderWidth = '0px';
		newSpan.style.position = 'absolute';
		newSpan.appendChild(newHidden);
		form.insertBefore(newSpan, form.firstChild);
	}
}