Focus on Perticular raw of ice:datatable in JSF

Question

I have one data table (ice:datatable) in which i set one list of object.i have one search criteria on particular field.now i want to set focus on row in which searched field is available by using JavaScript.but JSF itself create it's own id for each row and field.So how could i set focus on searched row in JSF using icefaces ?

I m using ice:rowSelector for selecting single row.