/* * Javascript functions for MCC's e-shop * Copyright (c) 2005 by Pavel Krpata, MC Com s.r.o. */ // otevre stranku v novem okne bez ovladacich prvku function newWin(URL, name, width, height) { var anon_win = window.open(URL, name, 'scrollbars=no,resizable=no,width='+width+',height='+height) anon_win.focus() } // otevre nove okno s obrazkem function newLargeImage(name, title, width, height) { imgwin = window.open('', 'LargeImage', 'scrollbars=no,resizable=no,'+ 'width='+width+',height='+height) imgwin.document.location.reload() imgwin.document.write('

') imgwin.document.title = title imgwin.focus() } // trim leading & trailing whitespaces function trim(str) { return str.replace(/^\s\s*/, '').replace(/\s\s*$/, '') } // Kontrola maxlen pro textarea, obsluhuje onchange, onkeyup a onmousemove function maxLen(item, len) { if (item.value.length > len) { item.value = item.value.substring(0,len) alert('Maximální povolená délka textu je ' + len + ' znaků.') } } // a simple check of e-mail addr function checkEmail(email) { return ((form.email.value.indexOf('@') > 0 && form.email.value.indexOf('@') < form.email.value.length-1)) } // handle for onkeyup, etc. function checkNumberKeyUp(item) { if (item.value == "") return true newval = item.value; // remove leading zeros if (newval != 0) newval = newval.replace(/^0+/, "") newval = parseInt(newval) if (isNaN(newval)) newval = "" item.value = newval return true } // handle for onchange, etc. function checkNumber(item) { if (isNaN(parseInt(item.value))) { alert("Chybně zadané číslo.") } } // get value of selected radio button from a group function getRadioValue(item) { var val = -1 if (item.length == undefined) { // handle case of only one choice correctly if (item.checked && !item.disabled) val = item.value; } else { for (var i = 0; i < item.length; i++) { if (item[i].checked && !item[i].disabled) val = item[i].value } } return val } function checkLoginForm(form) { if (form.user.value == "" || form.passwd.value == "") { alert("Přihlašovací jméno a heslo musí být vyplněné.") return false } else return true } // pridani polozky do kosiku - kontroluje zadani ID a mnozstvi function checkAddItemForm(form) { var msg = "" if (form.cart_addextid.value == "") { msg += "Zadejte kód zboží.\n" } if (isNaN(parseInt(form.cart_addnum.value)) || parseInt(form.cart_addnum.value) <= 0) { msg += "Množství zboží musí být kladné číslo.\n" } if (msg != "") { alert(msg) return false } else return true } // aktualizuje povolene platby podle zvoleneho zpusobu dopravy function updatePayments(form) { deliv_id = getRadioValue(form.deliv_id) if (deliv_id == -1) return for (var pay_id in pay_enab_arr[deliv_id]) { paybutt = eval("form.pay"+pay_id) if (paybutt !== undefined) { paybutt.disabled = !pay_enab_arr[deliv_id][pay_id] if (!pay_enab_arr[deliv_id][pay_id]) paybutt.checked = false } } } function checkOrderForm(form) { if (getRadioValue(form.deliv_id) == -1) { alert("Nejprve je třeba zvolit způsob doručení a platby.") return false } else if (getRadioValue(form.payment_id) == -1) { alert("Zvolte prosím způsob platby.") return false } else return true }