var bClick = false;

function validate(oFrm)
{
	if(!bClick)
	{
		bClick = true;
		resetErrMsg();
		
		if (isBlank(oFrm.query))
			addErrItem(oFrm.query, "Search", sRequired);
		
		if (bErrFound)
		{
			showErrMsg();
			bClick = false;
			return false;
		}
		else
			return true;
	}
	return false;
}