function tab_hot(n){
			var m_n = document.getElementById("rental_tab").getElementsByTagName("div");
			var c_n = document.getElementById("rental_con").getElementsByTagName("div");
			//var d_n = document.getElementById("titles").getElementsByTagName("span");
			document.getElementById("rental_tab").className=n==0?"title1":"title2";
			for(i=0;i<m_n.length;i++){
				 m_n[i].className=i==n?"on":"";
 				 c_n[i].className=i==n?"dis":"undis";
				 //d_n[i].className=i==n?"dis":"undis";
				 }
		}

function tab_house(n){
			var m_n = document.getElementById("house_tab").getElementsByTagName("div");
			var c_n = document.getElementById("house_con").getElementsByTagName("div");
			//var d_n = document.getElementById("titles").getElementsByTagName("span");
			//document.getElementById("house_tab").className=n==0?"title1":"title2";
			for(i=0;i<m_n.length;i++){
				 m_n[i].className=i==n?"hit":"";
 				 c_n[i].className=i==n?"dis":"undis";
				 //d_n[i].className=i==n?"dis":"undis";
				 }
		}

function tab_life(n){
			var m_n = document.getElementById("life_tab").getElementsByTagName("li");
			var c_n = document.getElementById("life_con").getElementsByTagName("div");
			//var d_n = document.getElementById("titles").getElementsByTagName("span");
			//document.getElementById("life_tab").className=n==0?"title1":"title2";
			for(i=0;i<m_n.length;i++){
				 m_n[i].className=i==n?"lifeOn":"";
 				 c_n[i].className=i==n?"dis":"undis";
				 //d_n[i].className=i==n?"dis":"undis";
				 }
		}