// JavaScript Document

function open_popup(page, details, width, height) {
    window_handle = window.open(page, 'zooming', details, 'popupName');
    window_handle.close();
    window_handle = window.open(page, 'zooming', details, 'popupName');
	window_handle.resizeTo(width, height);
    return false;
}

function checkval(field, minnumber) {
	if (field.value < minnumber) {
		alert ("Please order the quantity your require of this product (from the choices shown in orange), the minimum quantity for this product is " + minnumber + ".");
		field.focus();
	}
}