set p3p header in html or using javascripts

Question

there are site A and B which communicate Using easyXDM

i try to set cookies of site B using site A chrome and mozilla allow to set cookies but ie not allow to set cookie some security polices

for which site have to set p3p header ?

<meta http-equiv="P3P" content='CP="IDC DSP COR CURa ADMa OUR IND PHY ONL COM STA"'> 

i set header in html but then also not able to set cookie

Answer 1

you would set the P3P in your main page that revives cookies for a different domain

to set a header for p3p for a jsp you could do it like this

response.setHeader("P3P","CP='IDC DSP COR CURa ADMa OUR IND PHY ONL COM STA'")