var index=0;
	var xxjz=0;
	var xxkc=0;
	var xxzx=0;
	var dxxm=0;

	$('#index_m').click(function(){
		if(index==0){
			$('td',$('#tab1')).each(function (){
				var $this=$(this);
				$this.attr('background','');
				$this.attr('class','w01');
			});
			$('#index_m').attr('background','images/top-ch1.gif');
			$('#index_m').attr('class','w02');
		
			$('#content').attr('src','indes.php');

		}
	})
	

	$('#xxjz_m').click(function(){
		if(xxjz==0){
			$('td',$('#tab1')).each(function (){
				var $this=$(this);
				$this.attr('background','');
				$this.attr('class','w01');
			});
			$('#xxjz_m').attr('background','images/top-ch1.gif');
			$('#xxjz_m').attr('class','w02');
			$('#content').attr('src','kc.php?type=xxjz');

		}
	})
	

	$('#xxkc_m').click(function(){
		if(xxkc==0){
			$('td',$('#tab1')).each(function (){
				var $this=$(this);
				$this.attr('background','');
				$this.attr('class','w01');
			});
			$('#xxkc_m').attr('background','images/top-ch1.gif');
			$('#xxkc_m').attr('class','w02');
			$('#content').attr('src','kc.php?type=xxkc');
		}
	})
	
	

	$('#xxzx_m').click(function(){
		if(xxzx==0){
			$('td',$('#tab1')).each(function (){
				var $this=$(this);
				$this.attr('background','');
				$this.attr('class','w01');
			});
			$('#xxzx_m').attr('background','images/top-ch1.gif');
			$('#xxzx_m').attr('class','w02');
			$('#content').attr('src','xxzx.php');
		}
	})



	$('#dxxm_m').click(function(){
		if(dxxm==0){
			$('td',$('#tab1')).each(function (){
				var $this=$(this);
				$this.attr('background','');
				$this.attr('class','w01');
			});
			$('#dxxm_m').attr('background','images/top-ch1.gif');
			$('#dxxm_m').attr('class','w02');
			$('#content').attr('src','kc.php?type=dxxm');
		}
	})