// This function is called upon completion of the form.
// Since JavaScript is obviously running, adjust the form accordingly - load new stylesheets, kill certain sections and add content to others...
function MK_activateJsFunctionality() {
    LET_replaceClass(document.getElementById(currentPanel), 'section', 'currentSection');
    LET_replaceClass(document.getElementById(currentPanel + '_Tab'), 'sectionTab', 'currentSectionTab');
    LET_appendStylesheet('/css/myntpriser_screen_js.css');
    LET_appendStylesheet('/css/myntpriser_print_js.css', 'print');

    el = document.getElementById('hook1');
    if (el) { el.innerHTML = 'Inköpsvärdet beräknas automatiskt av formuläret.'; }

    el = document.getElementById('hook2');
    if (el) { el.innerHTML = ''; }

    el = document.getElementById('navigationPrefix');
    if (el) { el.innerHTML = 'Välj flik: '; }
    for (var itemId in panelVarsArray) {
        el = document.getElementById(itemId);
        if (el) {
            if (panelVarsArray[itemId]['Total']) {
                LET_setClass(el, el.className + ' print');
            } else {
                LET_setClass(el, el.className + ' noPrint');
            }
        }
        el = document.getElementById(itemId+'_ButtonSection');
        if (el) {
            newP = document.createElement('p');
            LET_setClass(newP, 'noPrint');
            newP.innerHTML = "<input type='image' src='/bilder/print.png' alt='Skriv ut enbart denna flik' onclick='javascript:MK_printSection(\"" + itemId + "\");'> Skriv ut enbart denna flik";
            el.parentNode.replaceChild(newP, el);
        }
    }
    el = document.getElementById('hook5');
    if (el) {
        el.innerHTML = "<span style='float: left;'><input type='image' src='/bilder/print.png' class='noPrint' alt='Skriv ut formul&auml;ret' onclick='javascript:window.print();'> Skriv ut formul&auml;ret";
    }
    MK_updateTabs();
}

function MK_addRow(panelId) {
    el = document.getElementById(panelId+'_Counter');
    if (el) {
        el.value = parseInt(el.value) + 1;
        tableEl = document.getElementById(panelId+'_Table');
        if (tableEl) {
            var newRow=document.createElement('tr');
            var rowId = panelId + el.value;
            newRow.setAttribute('id', rowId+'_Row');
            var modifier = 0;
            var modifierEl = document.getElementById(panelId+'_Modifier');
            if (modifierEl) { modifier = modifierEl.value; }
            var newCell1=document.createElement('td');
            LET_setClass(newCell1, 'descriptionBox');
            var newHtml = "<p><input type='submit' id='" + rowId +  "_DeleteRow' name='" + rowId + "_DeleteRow' class='noPrint' value='&times;' onclick='MK_deleteRow(\"" + panelId;
            newHtml += "\", \"" + rowId + "\"); return false;'>&nbsp;<input type='text' class='inputOK descriptionBox' size='12' name='" + rowId + "_Description' value='";
            newHtml += (panelId == 'GoldObjects' ? 'Guldf&ouml;rem&aring;l' : 'Silverf&ouml;rem&aring;l ') + el.value + "'></p>";
            newCell1.innerHTML = newHtml;
            var newCell2=document.createElement('td');
            LET_setClass(newCell2, 'finenessBox');
            var newKeyupScript = "recalcSum(\"" + panelId + "\", \"" + rowId + "\", " + (panelId == 'GoldObjects' ? '24' : '100') + ", ";
            newKeyupScript += modifierEl.value + ", true, " + (panelId == 'GoldObjects' ? '1.00' : '1.00') + ");"
            var newHtml = "<p><input class='inputOK' type='text' size='7' id='" + rowId + "_Fineness' name='" + rowId + "_Fineness' value='";
            newHtml += (panelId == 'GoldObjects' ? '18' : '83')+ "' onkeyup='" + newKeyupScript + "'></p>";
            newCell2.innerHTML = newHtml;
            var newCell3=document.createElement('td');
            LET_setClass(newCell3, 'weightBox');
            var newHtml = "<p><input class='inputOK' type='text' size='7' id='" + rowId + "_Weight' name='" + rowId + "_Weight' value='' onkeyup='" + newKeyupScript + "'>";
            newHtml += "<input type='hidden' id='" + rowId + "_Modifier' name='" + rowId + "_Modifier' value='" + modifier + "'></p>";
            newCell3.innerHTML = newHtml;
            var newCell4=document.createElement('td');
            LET_setClass(newCell4, 'sum');
            newCell4.innerHTML = "<p id='" + rowId + "_Total'>0,00&nbsp;kr</p>";
            itemTotalsArray[panelId][rowId] = 0;
            newRow.appendChild(newCell1);
            newRow.appendChild(newCell2);
            newRow.appendChild(newCell3);
            newRow.appendChild(newCell4);
            tableEl.appendChild(newRow);
        }
    }
}

function MK_deleteRow(panelId, rowId) {
    rowEl = document.getElementById(rowId+'_Row');
    row = parseInt(rowId.substring(panelId.length));
    itemTotalsArray[panelId][panelId+row] = 0;
    rowEl.parentNode.removeChild(rowEl);
    updateSectionTotal(panelId);
}

function MK_printSection(section) {
    for (var itemId in panelVarsArray) {
        if (itemId == section) {
            LET_replaceClass(document.getElementById(itemId), 'noPrint', 'print');
        } else {
            LET_replaceClass(document.getElementById(itemId), 'print', 'noPrint');
        }
    }
    LET_setClass(document.getElementById('hook3'), 'noPrint');
    LET_setClass(document.getElementById('hook4'), 'print');
    window.print();
    LET_setClass(document.getElementById('hook3'), '');
    LET_setClass(document.getElementById('hook4'), '');
    for (var itemId in panelVarsArray) {
        if (panelVarsArray[itemId]['Total'] > 0) {
            LET_replaceClass(document.getElementById(itemId), 'noPrint', 'print');
        } else {
            LET_replaceClass(document.getElementById(itemId), 'print', 'noPrint');
        }
    }
}

function MK_updateTabs() {
    for (var itemId in panelVarsArray) {
        el = document.getElementById(itemId+'_Tab');
        if (el) {
            hrf = el.href;
            if (hrf.indexOf('javascript:') == 0) {
                hrf = hrf.slice(11);
            } else {
                hrf = ';';
            }
            hrefParts = hrf.split(';');
            lng = hrefParts.length;
            if (itemId == currentPanel) {
                LET_replaceClass(el, 'sectionTab', 'currentSectionTab');
                hrefParts[lng -2] = 'return false';
            } else {
                LET_replaceClass(el, 'currentSectionTab', 'sectionTab');
                hrefParts[lng -2] = 'MK_switchTab("'+itemId+'")';
            }
            el.href = 'javascript:' + hrefParts.join(';');
        }
    }
}

function MK_switchTab(newTab) {
    currentPanel = newTab;
    for (var itemId in panelVarsArray) {
        el = document.getElementById(itemId);
        if (el) {
            if (itemId == newTab) {
                LET_replaceClass(el, 'section', 'currentSection');
            } else {
                LET_replaceClass(el, 'currentSection', 'section');
            }
        }
    }
    MK_updateTabs();
}

function recalcSum(panelId, itemId, units, mod, allowDecimals, roundingModifier) {
    if (document.getElementById(itemId+'_Fineness')) {
        var finenessEl = document.getElementById(itemId+'_Fineness');
        var fineness = finenessEl.value;
        var searchVal = fineness;
    } else {
        var finenessEl = null;
        var fineness = units;
        var searchVal = itemId;
    }
    if ((typeof modList !== 'undefined') && (typeof modList[searchVal] !== 'undefined')) {
        mod = modList[searchVal];
        fineness = 24;
    }
    if (document.getElementById(itemId+'_Qty')) {
        var qtyEl = document.getElementById(itemId+'_Qty');
    } else if (document.getElementById(itemId+'_Weight')) {
        var qtyEl = document.getElementById(itemId+'_Weight');
    } else {
        var qtyEl = null;
    }
    if (qtyEl) {
        if ((!allowDecimals) && ((qtyEl.value.indexOf(',') != -1) || (qtyEl.value.indexOf('.') != -1))) {
            var price = -2;
        } else {
            var price = recalcPrice(qtyEl.value, fineness, units, mod, roundingModifier);
        }
        if ((price < 0) && (-price & 2)) {
            LET_setClass(qtyEl, 'inputError');
        } else {
            LET_setClass(qtyEl, 'inputOK');
        }
        if (finenessEl) {
            if ((price < 0) && (-price & 4)) {
                LET_setClass(finenessEl, 'inputError');
            } else {
                LET_setClass(finenessEl, 'inputOK');
            }
        }
        updateItemTotal(panelId, itemId, price);
    }
}

function recalcPrice(quantity, fineness, finenessUnits, modifier, rounding) {
    // Failsafes to filter out spaces and to replace (the Swedish) decimal commas with decimal points;
    if ((typeof(quantity) == 'string') && isNaN(quantity)) { quantity = quantity.split(' ').join('').split(',').join('.'); }
    if ((typeof(fineness) == 'string') && isNaN(fineness)) { fineness = fineness.split(' ').join('').split(',').join('.'); }
    if ((typeof(modifier) == 'string') && isNaN(modifier)) { modifier = modifier.split(' ').join('').split(',').join('.'); }
    // Of course, values may still be incomprehensible.
    var response = 0;
    if (isNaN(finenessUnits) || isNaN(modifier) || isNaN(rounding)) {
        response += -1;
    }
    if (isNaN(quantity)) {
        response += -2;
    // ...or out of range
    } else if (quantity < 0) {
        response += -2;
    }
    if (isNaN(fineness)) {
        response += -4;
    // ...or out of range
    } else if ((fineness < 0) || (fineness > finenessUnits)) {
        response += -4;
    }
    if (response) {
        return response;
    } else {
        if ( finenessUnits == 24) {
            return (parseFloat(quantity) * Math.round(((parseFloat(fineness) / parseFloat(finenessUnits)) * parseFloat(modifier) - 1.5) / 5) * 5);
        } else {
            return roundPrice(parseFloat(quantity) * (parseFloat(fineness) / parseFloat(finenessUnits)) * parseFloat(modifier), parseFloat(rounding));
        }
    }
}
function updateItemTotal(panelId, itemId, price) {
    var tot = document.getElementById(itemId+'_Total');
    if (price < 0) {
        price = 0;
    }
    itemTotalsArray[panelId][itemId] = price;
    if (tot) {
        tot.innerHTML = formatPrice(price);
    }
    updateSectionTotal(panelId);
}

function updateSectionTotal(panelId) {
    if (itemTotalsArray[panelId] instanceof Object) {
        var sum = 0;
        for (var id in itemTotalsArray[panelId]) {
            if (!isNaN(itemTotalsArray[panelId][id])) {
                sum = sum + itemTotalsArray[panelId][id];
            }
        }
        if (sum > 0) {
            LET_replaceClass(document.getElementById(panelId), 'noPrint', 'print');
        } else {
            LET_replaceClass(document.getElementById(panelId), 'print', 'noPrint');
        }
        var sectTotal = document.getElementById(panelId+'_SectionTotal');
        if (sectTotal) { sectTotal.innerHTML = formatPrice(sum); }
        var grandTotal = document.getElementById('grandTotal');
        if ((panelVarsArray instanceof Object) && (grandTotal)) {
            if (panelVarsArray[panelId] instanceof Object) {
                panelVarsArray[panelId]['Total'] = sum;
                var sum = 0;
                for (var id in panelVarsArray) {
                    if (!isNaN(panelVarsArray[id]['Total'])) {
                        sum = sum + panelVarsArray[id]['Total'];
                    }
                }
                grandTotal.innerHTML = formatPrice(sum);
            }
        }
    }
}

function setNamedCookie(cName, value) {
	var cName = "TestCookie";
	var cValue = escape(value);
	document.cookie = cName + '=' + cValue;
}
function getNamedCookie(cName) {
	var i, x, ARRcookies = document.cookie.split(';');
	var foundVal = '';
	for (i = 0; i < (ARRcookies.length); i++) {
		tempCookie = ARRcookies[i].split('=');
		x = tempCookie[0].replace(/^\s+|\s+$/g, '');
		if (x == cName) {
			if ( tempCookie.length > 1 ) {
				foundVal = tempCookie[1].replace(/^\s+|\s+$/g, '');
				return foundVal;
			}
			return '';
		}
	}
	return null;
}