function sizeChange(details)      {
document.cartForm.item_name.value=details
}

function cupSizeChange(details) {
document.cartForm.item_name.value=details
}

function backSizeChange(details) {
document.cartForm.item_number.value=details
}

function postageChange(details) {
document.cartForm.shipping.value=details
}

// for IE compliant drop down choosers
function cupChoose(that) {
var pick = that.options[that.selectedIndex].value;
cupSizeChange(pick);
}

function backChoose(that) {
var pick2 = that.options[that.selectedIndex].value;
backSizeChange(pick2);
}

function corsetChoose(that) {
var pick3 = that.options[that.selectedIndex].value;
sizeChange(pick3);
}