// JavaScript Document
function $(_id){return document.getElementById(_id);}
function checkGuestBook(form)
   { 
    if(form.name.value=="")
     { alert ("姓名不能为空！");
       form.name.focus();
       return(false);
      }

    if(form.province.value=="")
     { alert ("省不能为空！");
       form.province.focus();
       return(false);
      }

    if(form.city.value=="")
     { alert ("市不能为空！");
       form.city.focus();
       return(false);
      }
    if(form.phone.value=="")
     { alert ("电话(手机)不能为空！");
       form.phone.focus();
       return(false);
      }
	 if(form.content.value=="")
     { alert ("留言不能为空！");
       form.content.focus();
       return(false);
      }
   
 return true
}
function imgShow(src, obj)
{
    var imgs = $('imgShow').innerHTML = '<img src="' + src + '" />';
	var lis = $('imgTurn').getElementsByTagName('li');
    for(var i = 0 , tMax = lis.length; i < tMax; i++)
	{
		lis[i].style.backgroundColor = '#A25486';
		lis[i].style.color = '#FFFFFF';
	}
	
	obj.style.backgroundColor = '#FFFFFF';
	obj.style.color = '#A25486';
}

//定货专区
function selPro(id)
{
	var ckbox = document.getElementById('ckbox_' + id);
	var pro   = document.getElementById('pro_' + id);
	pro.disabled = ckbox.checked ? false : true;
}