function Show()
{
	obj=document.getElementById('search');
	if(obj.style.visibility=='visible'
		&& document.frmSearch.search_key.value == "" )
	{
		obj.style.visibility='hidden';
	}
	else
	{
		obj.style.visibility='visible';
		if( document.frmSearch.search_key.value != "" )
		{
			document.frmSearch.submit();
		}
		else
		{
			document.frmSearch.search_key.focus();
		}
	}
}
var is_cancel = true;
function hide_search()
{
	if(is_cancel)
	{
		document.frmSearch.search_key.value = "";
		obj=document.getElementById('search');
		obj.style.visibility='hidden';
	}
}
function onCloseSearch(evt)
{
	document.frmSearch.search_key.value = "";
	document.getElementById('search_key').focus();
	is_cancel = false;
	evt.preventDefault();
}