function switchTag(i)
   {
      if(i==1)
	  {
		document.getElementById("shouyeTable").style.display = "";
		document.getElementById("zwgkTable").style.display = "none";
		document.getElementById("xinwenTable").style.display = "none";
		document.getElementById("zxfwTable").style.display = "none";
		document.getElementById("qzzsTable").style.display = "none";
	  }
	  if(i==2)
	  {
	   document.getElementById("shouyeTable").style.display = "none";
		document.getElementById("zwgkTable").style.display = "";
		document.getElementById("xinwenTable").style.display = "none";
		document.getElementById("zxfwTable").style.display = "none";
		document.getElementById("qzzsTable").style.display = "none";
	  }
	  if(i==3)
	  {
	   document.getElementById("shouyeTable").style.display = "none";
		document.getElementById("zwgkTable").style.display = "none";
		document.getElementById("xinwenTable").style.display = "";
		document.getElementById("zxfwTable").style.display = "none";
		document.getElementById("qzzsTable").style.display = "none";
	  }
	  if(i==4)
	  {
	   document.getElementById("shouyeTable").style.display = "none";
		document.getElementById("zwgkTable").style.display = "none";
		document.getElementById("xinwenTable").style.display = "none";
		document.getElementById("zxfwTable").style.display = "";
		document.getElementById("qzzsTable").style.display = "none";
	  }
	   if(i==5)
	  {
	    document.getElementById("shouyeTable").style.display = "none";
		document.getElementById("zwgkTable").style.display = "none";
		document.getElementById("xinwenTable").style.display = "none";
		document.getElementById("zxfwTable").style.display = "none";
		document.getElementById("qzzsTable").style.display = "";
	  }
   }