Using parameters - I created a dynamic dashboard that swaps visuals

Hello All,

I created a dynamic dashboard that swaps the visuals using parameter dropdown,My requirement here is my client dont want to give a dropdown options for parameters he wanted to give separate check boxes so wen i click on bar box(i..e.., Sheet) the bar chart should visuals in dashboard ,,wen i click on text box(i..e.., Sheet) the text chart should visuals in dashboard etc...,

it would be thankful who ever help dis out.. need urgent should submit my assignment by EOD.

Regards,

Sravan.