Select multiple products to print the selected product images in one click

[Naz141]

im designing a online coupon site,,, there are several products displaying in my home page, when you click on each product, there is a coupon image displaying, but All that i want is, i want the users select the products they like. and there is a seperate print button. so i wanted the users to print the coupon of multiple selected products at once when click on the print button... for exaample, simillar as this website: visit http://www.coupons.com/