fixes to widget javascript date handling to work on IE
fixes to widget javascript date handling to work on IE

IE doesn't always return "Date Invalid" the same way Safari and FF do, instead it just interpolates things like 13/1/2001 to be 1/1/2002.  This new javascript handles this bogusness.
coopsource/metaform,coopsource/metaform,zippy/metaform,zippy/metaform,coopsource/metaform