//----sidebar
/*
function startmenu()
    {
  	document.getElementById("left_subnav1").style.display = "none";
  	document.getElementById("left_subnav2").style.display = "none";
    document.getElementById("left_subnav3").style.display = "none";
    document.getElementById("left_subnav4").style.display = "none";
  }

function menufunc(menu)
  {
  	if(document.getElementById(menu).style.display == "none")
  	{
  		startmenu();
  		document.getElementById(menu).style.display = "block";

  	}
  	else
  	{
  		startmenu();
  	}
  }

*/


function go(menu)
{
	if(document.getElementById(menu).className=="left_subnav_close"){
	document.getElementById(menu).className="left_subnav";	
	exit();
	}
	if(document.getElementById(menu).className=="left_subnav"){
	document.getElementById(menu).className="left_subnav_close";	
	exit();
	}

}

//----sidebar end

//--check_search
function check_search()
{
	if(document.search.search_string.value=='' || document.search.search_string.value==' ')
	{
		alert("請輸入搜尋字串");
		document.search.search_string.focus();
		return false;
	}
	if(document.search.category.value=='none')
	{
		alert("請選擇搜尋類別");
		document.search.category.focus();
		return false;
	}
}


//檢查購物車聯絡人表單
function check_contact()
{
	if(document.contact_form.contact_person.value=='')
	{
		alert("請輸入聯絡人");
		document.contact_form.contact_person.focus();
		return false;
	}
	if(document.contact_form.state.value=='none')
	{
		alert("請選擇身分類別");
		document.contact_form.state.focus();
		return false;
	}
		if(document.contact_form.contact_phone.value=='')
	{
		alert("請輸入聯絡電話");
		document.contact_form.contact_phone.focus();
		return false;
	}
		if(document.contact_form.contact_mobile.value=='')
	{
		alert("請輸入連絡手機");
		document.contact_form.contact_mobile.focus();
		return false;
	}
		if(document.contact_form.contact_mobile.value.substring(0,2) != "09")
	{
		alert("連絡手機號碼錯誤");
		document.contact_form.contact_mobile.focus();
		return false;
	}

		if(document.contact_form.contact_mobile.value.length!=10)
	{
		alert("手機號碼錯誤");
		document.contact_form.contact_mobile.focus();	
		return false;
	}
		if(document.contact_form.address.value=='')
	{
		alert("請輸入連絡地址");
		document.contact_form.address.focus();
		return false;
	}
		if(document.contact_form.email.value=='')
	{
		alert("請輸入電子郵件");
		document.contact_form.email.focus();
		return false;
	}
}