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- Stone & Gravel
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$176.59 - $350.00 / Ton
- These beautiful 1 -3 inch river rocks have been washed by the Delaware River to a beautiful finish. Order Now. Free Delivery Call for Availability
- Select options
function process_rect_form(form) {
if (form.material.value === "") {
alert("Please choose a material");
form.material.focus();
return false;
}
if (form.width.value === "") {
alert("Please fill in the width field");
form.width.focus();
return false;
}
if (form.length.value === "") {
alert("Please fill in the length field");
form.length.focus();
return false;
}
if (form.depth.value === "") {
alert("Please fill in the depth field");
form.depth.focus();
return false;
}
var length = parseFloat(form.length.value);
var width = parseFloat(form.width.value);
var depth = parseFloat(form.depth.value);
var material_conv = parseFloat(form.material.value);
if (isNaN(length) || isNaN(width) || isNaN(depth)) {
alert("Please enter numbers only for width, length and depth");
return false;
}
form.tons_or_yards.value = (material_conv === 1.081) ? "cubic yards" : "tons";
form.needed.value = Math.round(length * width * depth * 14400 / 46656 * material_conv) / 100;
return true;
}
function clear_form(form) {
form.width.value = "";
form.length.value = "";
form.depth.value = "";
form.needed.value = "";
form.tons_or_yards.value = "";
return true;
}
function checkmaterialtype(form) {
if (form.material.value === "1.081" && form.depth.value === "") {
form.depth.value = 3;
}
return true;
}
