the date picker is not working due to conflicting vversions of jquery being added.
yoou have a script tag near the top of the page top add jquery:
and further down is a tag for the date picker jquery:
only one instance of jquery can be added to the page.
for the validations, you say:
"Some of my form validations are not working"
please be more specific. which ones? server validations? spry validations?
Also, please include a copy of the page.