/*-------------------------------------------------------------------------------------------------------------------
 Script Name: functions.js
 Author: Tony Wei (魏志國)  tonywei123@gmail.com
 Description: JavaScript 共用函式庫
 Revision History:
   1.0: original version 2008/8/1
-------------------------------------------------------------------------------------------------------------------*/


// 預先檢查驗證碼
function check_code()
{
	var url = "index.php?fn=check_code&rand=" + Math.random() + "&code=" + document.getElementById( "code" ).value;
	var objTag = ccioo_ajax_getXmlData( url ).getElementsByTagName("item");
	var sReturn = objTag[0].firstChild.nodeValue;
	if ( parseInt( sReturn ) > 0 ) {
		alert( "您輸入的驗證碼錯誤!" );
		return false;
	}
	return true;
}

// 聯絡我們
function check_contact()
{
	if ( ! check_required( '客戶姓名', '您的姓名' )     ) return false;
	//if ( ! check_required( '公司名稱', '公司名稱' )     ) return false;
	if ( ! check_required( '聯絡電話', '聯絡電話' )     ) return false;
	if ( ! check_numeric2( '聯絡電話', '聯絡電話' )     ) return false;
	//if ( ! check_required( '行動電話', '行動電話' )     ) return false;
	//if ( ! check_numeric2( '行動電話', '行動電話' )     ) return false;
	if ( ! check_required( 'email', 'email' )     ) return false;
	if ( ! check_email( 'email' ) ) return false;
	//if ( ! check_required( '聯絡地址', '聯絡地址' )     ) return false;
	var fm = document.form1;
	if ( ! ( fm.how1.checked || fm.how2.checked || fm.how3.checked || fm.how4.checked || fm.how5.checked || fm.how6.checked ) ) {
		alert( "請勾選如何得知我們工作室!" );
		return false;
	}
	if ( ! check_required( '留言', '您的留言' )   ) return false;
	if ( ! check_required( 'code', '驗證碼' ) ) return false;
	if ( ! check_numeric2( 'code', '驗證碼' )     ) return false;
	if ( ! check_code() ) return false;
	return true;
}


/*-------------------------------------------------------------------------------------------------------------------
 Function: bookmark()
 Description: 加入我的最愛
 Input: 網址，網站名稱
 Output: 是否驗證通過 true or false
 Example: 
	bookmark( 'http://www.hinet.net/', 'Hinet' );
Revision History:
   1.0: original version 2008/4/17
-------------------------------------------------------------------------------------------------------------------*/
function bookmark( address, sitename ) {
	if ( window.sidebar ) {
		window.sidebar.addPanel( sitename, address,"" );
	} else if( document.all ) {
		window.external.AddFavorite( address, sitename );
	} else if( window.opera && window.print ) {
		return true;
	}
}

/*-------------------------------------------------------------------------------------------------------------------
 Function: check_date()
 Description: 檢查日期格式是否正確
 Input: 年, 月, 日
 Output: 是否驗證通過 true or false
 Example: 
	check_date( 2008, 1, 29 );
Revision History:
   1.0: original version 2008/3/7
-------------------------------------------------------------------------------------------------------------------*/
function check_date( yyyy, mm, dd )
{
	mm = parseInt( mm ) - 1;
	var day = ( new Date( yyyy, mm, dd ) ).getDate();
	if ( day != dd ) {
		if ( mm == 1 && dd == 29 ) {
			alert( yyyy + " 年不是閏年，2 月沒有 29 天喔!" );
		} else {
			alert( ( mm + 1 ) + " 月沒有 " + dd + " 天喔!" );
		}
		return false;
	}
	return true;
}

/*-------------------------------------------------------------------------------------------------------------------
 Function: check_required()
 Description: 檢查表單欄位是否有填寫
 Input: 物件ID, 訊息
 Output: 是否驗證通過 true or false
 Example: 
	check_required( "username", "姓名" );
Revision History:
   1.0: original version 2007/1/5
-------------------------------------------------------------------------------------------------------------------*/
function check_required( objID, sMessage )
{
	var objField = document.getElementById( objID );
	if ( objField.value.replace( /\s/g, "" ).length == 0 ) {
		alert( "請填寫" + sMessage + "!" );
		objField.focus();
		return false;
	}
	return true;
}
function check_required2( objID, sMessage )
{
	var objField = document.getElementById( objID );
	if ( objField.value.replace( /\s/g, "" ).length == 0 ) {
		alert( "請選取準備上傳的" + sMessage + "!" );
		objField.focus();
		return false;
	}
	return true;
}

 /*-------------------------------------------------------------------------------------------------------------------
 Function: check_numeric()
 Description: 檢查表單欄位是否是數字
 Input: 物件ID, 訊息
 Output: 是否驗證通過 true or false
 Example: 
	check_numeric( "amount", "數量" );
Revision History:
   1.0: original version 2007/1/8
-------------------------------------------------------------------------------------------------------------------*/
function check_numeric( objID, sMessage )
{
	var objField = document.getElementById( objID );
	if ( isNaN( parseInt( objField.value ) ) || parseInt( objField.value ) != objField.value ) {
		alert( sMessage + "必須是數字!" );
		objField.select();
		objField.focus();
		return false;
	}
	return true;
}

 /*-------------------------------------------------------------------------------------------------------------------
 Function: check_numeric2()
 Description: 檢查表單欄位是否是數字
 Input: 物件ID, 訊息
 Output: 是否驗證通過 true or false
 Example: 
	check_numeric2( 'mobile', '手機或聯絡電話' );
Revision History:
   1.0: original version 2007/1/8
-------------------------------------------------------------------------------------------------------------------*/
function check_numeric2( objID, sMessage )
{
	var objField = document.getElementById( objID );
	var filter= /^([0-9\-\(\)#]+)$/i;
	if ( ! filter.test( objField.value ) ) {
		alert( sMessage + "必須是數字!" );
		objField.select();
		objField.focus();
		return false;
	}
	return true;
}

 /*-------------------------------------------------------------------------------------------------------------------
 Function: check_range()
 Description: 檢查表單欄位值是否介於最小值與最大值之間, 並轉換為整數
 Input: 物件ID, 最小值, 最大值, 訊息
 Output: 是否驗證通過 true or false
 Example: 
	check_range( "amount", 1, 100, "數量" );
Revision History:
   1.0: original version 2007/1/8
-------------------------------------------------------------------------------------------------------------------*/
function check_range( objID, iMin, iMax, sMessage )
{
	var objField = document.getElementById( objID );
	objField.value = parseInt( objField.value );
	iMin  = parseInt( iMin );
	iMax = parseInt( iMax );
	if ( objField.value < iMin || objField.value > iMax ) {
		alert( sMessage + "必須介於 " + iMin + " 與 " + iMax + " 之間!" );
		objField.select();
		objField.focus();
		return false;
	}
	return true;
}

 /*-------------------------------------------------------------------------------------------------------------------
 Function: check_ext()
 Description: 檢查上傳檔案的副檔名
 Input: 上傳檔欄位 ID
 Output: 是否驗證通過 true or false
 Example: 
	check_ext( this.value );
Revision History:
   1.0: original version 2008/6/1
-------------------------------------------------------------------------------------------------------------------*/
function check_ext( objID )
{
	var objField = document.getElementById( objID );
	if ( typeof( allowed_exts ) == "undefined" ) {
		alert( "請先指定 allowed_exts 參數!" );
		return false;
	}
    if( objField.value == "" ) return true;
    var re = new RegExp("^.+\.("+ allowed_exts +")$", "i" );
    if( ! re.test( objField.value ) )
    {
        alert( "只允許下列格式檔案："+ allowed_exts.replace( /\|/g, ',' ) +" \n\n" );
        return false;
    }
    return true;
}

 /*-------------------------------------------------------------------------------------------------------------------
 Function: check_email()
 Description: 檢查表單欄位是否是合法 Email 帳號
 Input: 物件ID, 訊息
 Output: 是否驗證通過 true or false
 Example: 
	check_email( "email" );
Revision History:
   1.0: original version 2007/1/8
-------------------------------------------------------------------------------------------------------------------*/
function check_email( objID, sMessage )
{
	var objField = document.getElementById( objID );
	var filter= /^([\w-]+(?:\.\w+)*)@((?:\w+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
	if ( ! filter.test( objField.value ) ) {
		alert( "請填寫正確的Email信箱!" );
		objField.select();
		objField.focus();
		return false;
	}
	return true;
}

 /*-------------------------------------------------------------------------------------------------------------------
 Function: check_email2()
-------------------------------------------------------------------------------------------------------------------*/
function check_email2( sValue )
{
	var filter= /^([\w-]+(?:\.\w+)*)@((?:\w+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
	if ( ! filter.test( sValue ) ) {
		alert( "朋友的email " + sValue + " ---> 這個不是正確的Email信箱!" );
		return false;
	}
	return true;
}

/*-------------------------------------------------------------------------------------------------------------------
 Function: jump_form()
 Description: 換頁, 使用 POST
 Input: 新頁碼
 Output: N/A
 Example: 
	jump_form(2);
Revision History:
   1.0: original version 2007/1/8
-------------------------------------------------------------------------------------------------------------------*/
function jump_form(p) {
	document.form1.page.value = p;
	document.form1.submit();
}

/*-------------------------------------------------------------------------------------------------------------------
 Function: jump_get()
 Description: 換頁, 使用 GET
 Input: 新頁碼
 Output: N/A
 Example: 
	jump_get(2);
Revision History:
   1.0: original version 2007/1/10
   2.0: fn 參數版 2007/6/23 2008/5/30
-------------------------------------------------------------------------------------------------------------------*/
function jump_get( p ) {
	var qs = new Querystring();
	var tail = "";
	var fn = "";
	if ( qs.get("fn") != null ) {
		fn += "fn=" + qs.get("fn");
	}
	if ( qs.get("keyword") != null ) {
		tail += "&keyword=" + qs.get("keyword");
	}
	if ( qs.get("tno") != null ) {
		tail += "&tno=" + qs.get("tno");
	}
	if ( qs.get("cno") != null ) {
		tail += "&cno=" + qs.get("cno");
	}
	if ( qs.get("no") != null ) {
		tail += "&no=" + qs.get("no");
	}
	if ( qs.get("y") != null ) {
		tail += "&y=" + qs.get("y");
	}
	if ( qs.get("m") != null ) {
		tail += "&m=" + qs.get("m");
	}
	if ( qs.get("oid") != null ) {
		tail += "&oid=" + qs.get("oid");
	}
	if ( qs.get("k") != null ) {
		tail += "&k=" + qs.get("k");
	}
	location.href = "index.php?" + fn + "&p=" + p + tail + "#anchor";
}

/*-------------------------------------------------------------------------------------------------------------------
 Function: jump_prod()
 Description: 換頁, 使用 GET
 Input: cat_id, 新頁碼
 Output: N/A
 Example: 
	jump_prod( 5, 2 );
Revision History:
   1.0: original version 2007/1/27
-------------------------------------------------------------------------------------------------------------------*/
function jump_prod( cno, p) {
	location.href = location.pathname + "?cno=" + cno + "&p=" + p;
}

/*-------------------------------------------------------------------------------------------------------------------
 Function: thesame_click()
 Description: "勾選"同訂購人資料
 Input: this, 編號
 Output: N/A
 Example: 
	thesame_click( this, number );
Revision History:
   1.0: original version 2007/1/11
   2.0: 進化型，加入收件人資料的編號參數 2008/5/6
-------------------------------------------------------------------------------------------------------------------*/
function thesame_click( objSelf, number )
{
	var fm = objSelf.form;
	for ( var i=0 ; i < fm.elements.length ; i++ )	{
		if ( eval( "typeof( fm.elements[i].value" + number + " ) != 'undefined'" ) ) {
			if ( fm.elements[i].type == "text" ) {
				eval( "fm.elements[i].value = fm.elements[i].value" + number );
			}
			if ( fm.elements[i].type == "select-one" ) {
				eval( "fm.elements[i].selectedIndex = fm.elements[i].value" + number + " - 1000" );
			}
		}
	}
}

/*-------------------------------------------------------------------------------------------------------------------
 PHP-like Functions
 http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_number_format/
-------------------------------------------------------------------------------------------------------------------*/
function number_format( number, decimals, dec_point, thousands_sep ) {
    var n = number, c = isNaN(decimals = Math.abs(decimals)) ? 2 : decimals;
    var d = dec_point == undefined ? "," : dec_point;
    var t = thousands_sep == undefined ? "." : thousands_sep, s = n < 0 ? "-" : "";
    var i = parseInt(n = Math.abs(+n || 0).toFixed(c)) + "", j = (j = i.length) > 3 ? j % 3 : 0;
    
    return s + (j ? i.substr(0, j) + t : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + t) + (c ? d + Math.abs(n - i).toFixed(c).slice(2) : "");
}

/*-------------------------------------------------------------------------------------------------------------------
 cookie Functions
 lifetype\js\cookie\cookie.js
 1.0 加入 encodeURI 編碼來儲存，以解決 Mozilla 儲存中文會導致 Cookie 資料損毀的問題 Tony in 2008/2/27
-------------------------------------------------------------------------------------------------------------------*/
function setCookie( name, value, days )
{
	if (days)
	{
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+ encodeURI( value ) +expires+"; path=/";
}

function getCookie( name )
{
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++)
	{
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return decodeURI( c.substring(nameEQ.length,c.length) );
	}
	return null;
}

function delCookie( name )
{
	setCookie(name,"",-1);
}