function changeprice1(which){switch (which) {case '3mm (700x250) x 4': document.forms.paypal1.elements.amount.value='4.99';document.getElementById("pricediv1").innerHTML = '£4.99'; break;case '3mm (1000x350) x 2': document.forms.paypal1.elements.amount.value='4.99';document.getElementById("pricediv1").innerHTML = '£4.99'; break;case '6mm (700x250) x 4': document.forms.paypal1.elements.amount.value='7.99';document.getElementById("pricediv1").innerHTML = '£7.99'; break;case '6mm (1000x350) x 2': document.forms.paypal1.elements.amount.value='7.99';document.getElementById("pricediv1").innerHTML = '£7.99'; break; } } Depron Foam Sheet £3.00 Genuine Depron Sheet We supply this versatile material in two thicknesses and two sheet sizes to suit both small indoor and larger outdoor & park-flyers. Although our system shows £3.00 for postage we will e-mail you the exact price before charging your card as the weight of parcel may vary according to the sizes you order. Thickness  Dimensions   Sheets Price   3mm 700mm x 250mm  4   £4.99  3mm 1000mm x 350mm  2   £4.99  6mm  70B0mm 250mm 4  £7.99  6mm  1000mm x 350mm 2  £7.99 Quantity: 12345678910 Options: Please select ...3mm (700x250) x 43mm (1000x350) x 26mm (700x250) x 46mm (1000x350) x 2 Buy Now: