method cloneNode ... can i overide the attributes ? ... urgent

hi, 

i'am newbie in DOM.
currently i'm using method cloneNode for copying serveral html item and it 
already works
but for certain case i need to overide the name of the node ; which is the 
attribute of the node
i have tried to overide it but seems it not works

can i overide it ?
if it can be overiden, could you please give me a sample of code

many thanks in advance 

Best Regards

Eddhie Kurnianto