function isDateValid(dateString)
{
	var splitStr = dateString.split("/");
	
	if(splitStr.length != 3)
	{
		return false;
	}

	var month = parseInt(splitStr[0]);
	var day = parseInt(splitStr[1]);
	var year = parseInt(splitStr[2]);
	if(isNaN(month) || isNaN(day) || isNaN(year))
	{
		return false;
	}
	
	if(month > 12 || month < 1)
	{
		return false;
	}
	
	if(day > 31 || day < 1)
	{
		return false;
	}
	
	var d = new Date();	
	if(year < 1800 || year > d.getFullYear())
	{
		return false;
	}
	
	return true;
	
}