//首页租车js
	var timeout2=2500;  //切换时间
	var timeout3=5000; //mouse over 后切换时间
	var now_content=0;
	var total_content=7;
	var way=1;
	var start_content=Math.round(Math.random()*(total_content-1))+1; //除广告为第一显示外
	function content_mouse(num){
	  now_content=num;
	  window.clearInterval(theTimer2);   
	  for (var i=1;i<=total_content;i++){
	  document.getElementById('divhl0'+i).style.display='none';
	  }
	  document.getElementById('divhl0'+num).style.display='block';
	  theTimer2=setTimeout('change_content()', timeout3);
	}
	
	function change_content(){
		
	  for (var i=1;i<=total_content;i++){
	  document.getElementById('divhl0'+i).style.display='none';
	  }
	  document.getElementById('divhl0'+now_content).style.display='block';
	  if (way) now_content++;
	  else now_content--;
	  if(now_content>total_content) {now_content=total_content-1;way=0;}
	  else if(now_content==0) {now_content=1;way=1;}
	  theTimer2=setTimeout('change_content()', timeout2);
	}
	theTimer2=setTimeout(function(){now_content=1;change_content();}, timeout2);
	//首页租车js