function clearElem(id){try{var o=document.getElementById(id);o.innerHTML = '';o.style.display = 'none';}catch (e){}}
function formToUrl(obj)
{
	var elem = obj.elements;
	var url = '';

	for (var i=0; i<elem.length; i++)
	{
		if (elem[i] && elem[i].name && elem[i].name != '_dont_save_')
		{
			if (elem[i].type == 'radio' || elem[i].type == 'checkbox')
			{
				if (elem[i].checked) url = url + elem[i].name + '=' + encodeURIComponent(elem[i].value) + '&';
			}
			else url = url + elem[i].name + '=' + encodeURIComponent(elem[i].value) + '&';
		}
	}

	return url;
}