function chk(obj)
{
	while ( obj.value.search(/\"/) != -1 )
	{
		obj.value = obj.value.replace(/\"/,"'");
	}
}

function update_area(id, url)
{
//	$("progressbar").style.display = '';
	var ajax = new Ajax.Updater(
		id,       // DIV id
		url,      // URL
		{         // options
			method:'get'/*,
			onComplete: function(element)
			{
				$("progressbar").style.display = 'none';
			}*/
		});
}

function expande(element)
{
	if ($(element).style.display == 'none')
		new Effect.BlindDown(element);
	else
		new Effect.BlindUp(element);
}