function changeprice1(which){switch (which) {case 'Pi Rack ': document.forms.paypal1.elements.amount.value='2149';document.getElementById("pricediv1").innerHTML = '£2149'; break;case 'Pi Complete kit': document.forms.paypal1.elements.amount.value='0.00';document.getElementById("pricediv1").innerHTML = '£0.00'; break;case 'Pi everything req': document.forms.paypal1.elements.amount.value='0.00';document.getElementById("pricediv1").innerHTML = '£0.00'; break; } }THE PI RACKAward Winning, And High Quality Pi Rack & Pi Grow System,From The Industry Leader In Vertical Grow Systems Pi-Technics BVPi Technics B.V. has developed a compact 350 PLANT growing system. Easy to assemble, lightweight and compact (3.1415 mē ). The complete system consists of 4 different modules, which can all be purchased as stand-alone packages. Some growers will already have all the chokes and lighting equipment, others may grow without added CO2 or already have a nutrient control computer (although it will have fewer functions than our unique Pi Control computer). Dividing the system up into four modules keeps the initial investment low, with the option of adding extra modules at a later stage£2150.00 (+ postage: £59.99) Quantity: 12345678910Options: Please select ...Pi Rack Pi Complete kitPi everything req