function dateHelper(obj,e)
{
	var key = e.keyCode;
	var fieldValue = obj.value;
	
	if(fieldValue.length == 2 || fieldValue.length == 5)
	{
		if(key != 8)
		{
			obj.value = fieldValue + "-";
		}
	}
	
	if(key == 8)
	{
		if((fieldValue.substr(2,1) == "-") || (fieldValue.substr(5,1) == "-"))
		{
			obj.value = fieldValue.substr(0,(fieldValue.length-1));
		}
	}
	
}