// JavaScript Document
	function getNames(obj,name,tij)
	{	
		var p = document.getElementById(obj);
		var plist = p.getElementsByTagName(tij);
		var rlist = new Array();
		for(i=0;i<plist.length;i++)
		{
			if(plist[i].getAttribute("name") == name)
			{
				rlist[rlist.length] = plist[i];
			}
		}
		return rlist;
	}

		function pet_Mouse(obj,name)
		{
			var p = obj.parentNode.getElementsByTagName("dt");
			var p1 = getNames(name,"f","div");
			for(i=0;i<p1.length;i++)
			{
				if(obj==p[i])
				{
					p[i].className = "dd";
					p1[i].className = "dis";
				}
				else
				{
					p[i].className = "";
					p1[i].className = "undis";
				}
			}
		}

/*搜索*/
function Search(){
	
  if(document.SearchForm.key.value.length==0||document.SearchForm.key.value=="请输入关键字")
  {alert('搜索关键字不能为空！');
   document.SearchForm.key.focus();
   return false;
  }
   document.SearchForm.submit();
   return true;
//	var chkok = true;
//	if (chkok) {if (Search.key.value.length=0) {alert('搜索关键字不能为空!');Search.key.focus();chkok=false;}}
//	if (chkok) {Search.submit();}
}

/*宠物交易*/
function Chksell(){
	
  if(document.fromsell.Title.value.length==0)
  {alert('信息标题不能为空！');
   document.fromsell.Title.focus();
   return false;
  }
  if(document.fromsell.name.value.length==0)
  {alert('联系人不能为空！');
   document.fromsell.name.focus();
   return false;
  }
  if(document.fromsell.tel.value.length==0)
  {alert('联系电话不能为空！');
   document.fromsell.tel.focus();
   return false;
  }
  if(document.fromsell.Price.value.length==0)
  {alert('价格不能为空！');
   document.fromsell.Price.focus();
   return false;
  }  
  if(document.fromsell.prov.value.length==0)
   {
	 alert('请选择你所在省！')
	 document.fromsell.prov.focus();
	 return false;
   }
   if(document.fromsell.city.value.length==0)
   {
	 alert('请选择你所在市！')
	 document.fromsell.city.focus();
	 return false;
   }
    if(document.fromsell.content.value.length==0)
   {
	 alert('详细介绍不能为空！')
	 document.fromsell.content.focus();
	 return false;
   }
   fromsell.submit();
   return true;
}

/*info目录中评论的字数限制*/
function checkLength(which) {
var maxChars =250;
if (which.value.length > maxChars)
which.value = which.value.substring(0,maxChars);
var curr = maxChars - which.value.length;
document.getElementById("chLeft").innerHTML = curr.toString();
}

/*info搜索*/
function infoSearch(){
	
  if(document.formSer.keys.value.length==0||document.formSer.keys.value=="请输入狗狗名称")
  {alert('搜索关键字不能为空！');
   document.formSer.keys.focus();
   return false;
  }
   return true;
//	var chkok = true;
//	if (chkok) {if (Search.key.value.length=0) {alert('搜索关键字不能为空!');Search.key.focus();chkok=false;}}
//	if (chkok) {Search.submit();}
}