calling a smartfrom in crm2007

hi,

I am new one to crm2007.

pl help me as i have following requirement.

i have to prepare job chart.for this i need to desing one smartform. Can anybody guide me where to write code.

can i use se38 and write code as we do in ecc6 and then call the smartform in the program...there is no nace transaction is available in crm2007 to attach print program and smartform.

Thanks & Regards,

mallik