function change_Price(EType)//租&买价格切换
{   
    if(EType==2 || EType==3)
    {
        form_search.price_rent.style.display="";
        form_search.price_buy.style.display="none";
		if (EType==3)
            document.form_search.action="Houserent_list.asp";
        else
            document.form_search.action="Housefind_list.asp";
    }
    else
    {   
        form_search.price_rent.style.display="none";
        form_search.price_buy.style.display="";
		if(EType==0)
            document.form_search.action="Housebuy_list.asp";
        else
            document.form_search.action="Housesell_list.asp";
	}
	//alert(document.form_search.action);
}

function cleantxt()
{	if (document.form_search.keyword.value=="请输入关键字")
		{	document.form_search.keyword.value = "";
			return true;
		}
	return true;
}


function showtb(id_show,bt_show,n)//tab滑动门
{ var link01="Houserent_list.asp",link02="Housefind_list.asp",link03="Housesell_list.asp",link04="Housebuy_list.asp";
  for (i=1;i<=n;i++)
        {
        obj_temp = eval("tbl0"+i);
		bt_temp = eval("btn0"+i);
		bt_temp.style.filter='alpha(opacity=50)';
		bt_temp.onmouseover=function(){ 
			this.style.filter='alpha(opacity=100)';
			}
		bt_temp.onmouseout=function(){ 
			this.style.filter='alpha(opacity=50)';
			}
        obj_temp.style.display='none';

        }
  bt_show.style.filter='alpha(opacity=100)';
  bt_show.onmouseout=function(){ 
			this.style.filter='alpha(opacity=100)';
			}
  eval("tbl0"+id_show).style.display='';
  document.getElementById("tab_more").href=eval("link0"+id_show);

  
}

function newlist(obj,n,t)//重写option对象
{
  obj.options.length = t-n+1;
  for(var ii=n; ii<=t; ii++)
  {
    obj.options[ii-n].text = ii
    obj.options[ii-n].value = ii
  }
}

function lpc(yobj,mobj,dobj)//获取当月天数
{
  var y = yobj.value;
  var m = mobj.value;
  var d = new Date(y,m,0)
  var k = d.getDate();
  newlist(dobj,1,k);
}

function isDateTime(str)//合法日期格式
{

  var   r   =   str.match(/^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2})$/);     
  if(r==null) return   false;     
  var  d=  new  Date(r[1],   r[3]-1,   r[4]);     
  return  (d.getFullYear()==r[1]&&(d.getMonth()+1)==r[3]&&d.getDate()==r[4]);   

}
/*判断是否为邮件*/   
function   isMail(ui){   
    if(isEmpty(ui)){return false;}   
      var   notValid=/(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)|(^\-)|(\-\.)|(\.\-)/;   
      var   valid=/^.+\@[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}$/;   
return   (!notValid.test(ui)&&valid.test(ui));
}   

/*判断用户输入是否为空*/   
function   isEmpty(ui)   {   
    return   (ui==null||ui=="");}   

/*判断是否为固定电话*/   
function   isTel(ui){   
      var   valid=/^0\d{2,3}\-\d{7,8}$/;   
      return   (!isEmpty(ui)&&valid.test(ui));}