function Rate_Deck(amt, base_url, targetElId, pulldownElId, dcountry, sku, den, ocountry, dcity, dconn, rate_finder_url, product_page_url) {
    var el;

    if(amt.lastIndexOf('~')) {
	// The combocart select element contains "~" separated values.
	amt = amt.substring(amt.lastIndexOf('~') + 1, amt.length);
    }

    // Try to adjust the add to cart pulldown to the correct denomination before proceeding.
    if(pulldownElId.length > 0) {
	el = document.getElementById(pulldownElId);
	il = el.options.length;
	for(i=0; i<il; i++) {
	    val = el.options[i].value;
	    if(val.lastIndexOf('~')) {
		val = val.substring(val.lastIndexOf('~') + 1, val.length);
	    }
	    if(val == amt) {
		el.selectedIndex = i;
		break;
	    }
	}

    }

    // Display transitional message.
    el = document.getElementById(targetElId);
    el.innerHTML = 'Loading&hellip;';
    el.style.display = 'block';

    //$originationcountry = $_POST['originationcountry'];
    //$destinationcountry = $_POST['destinationcountry'];
    //$destinationcity = $_POST['destinationcity'];
    //$dconn = $_POST['dconn'];
    //$amt = $_POST['amt'];
    //$sku = $_POST['sku'];
    //$den = $_POST['den'];
    //$base_url = $_POST['base_url'];
    //$rate_finder_url = $_POST['rate_finder_url'];
    //$product_page_url = $_POST['product_page_url'];
    
    params = { ocountry:ocountry, dcountry:dcountry, dcity:dcity, dconn:dconn, amt:amt, sku:sku, den:den, base_url:base_url, rate_finder_url:rate_finder_url, product_page_url:product_page_url }

    sourceURL = base_url + "ajax/rate_deck.php";
    contextv = { targetid: targetElId };
    Ajax.sendRequest(sourceURL, params, _writeAjaxResponseToElement, _writeAjaxResponseToElement, contextv);
    
}