function changeInfo(number){
	  var imgpieces = [];
	  imgpieces.push(document.getElementById('sy'));
	  imgpieces.push(document.getElementById('zjja')); 
	  imgpieces.push(document.getElementById('xxgk')); 
	  imgpieces.push(document.getElementById('zxfw')); 
	  imgpieces.push(document.getElementById('gzcy')); 
	  var contentpieces = [];
	  contentpieces.push(document.getElementById('sydh'));
	  contentpieces.push(document.getElementById('zjjadh')); 
	  contentpieces.push(document.getElementById('xxgkdh')); 
	  contentpieces.push(document.getElementById('zxfwdh')); 
	  contentpieces.push(document.getElementById('gzcydh'));
	  img1 = new Array('sy_dht1_1.jpg','sy_dht2_1.jpg','sy_dht3_1.jpg','sy_dht4_1.jpg','sy_dht5_1.jpg');
	  img2 = new Array('sy_dht1_2.jpg','sy_dht2_2.jpg','sy_dht3_2.jpg','sy_dht4_2.jpg','sy_dht5_2.jpg');
	  for(i=0;i<imgpieces.length;i++){
			imgpieces[i].src="/images/"+img1[i];
			contentpieces[i].style.display="none";
		}
		imgpieces[number-1].src="/images/"+img2[number-1]; 
		contentpieces[number-1].style.display="";
   }
   
   
  function changeContent(number){
		  var btnpieces = [];
	  btnpieces.push(document.getElementById('jrja')); 
	  btnpieces.push(document.getElementById('shgz')); 
	  btnpieces.push(document.getElementById('xwsp')); 
	  var contentpieces = [];
	  contentpieces.push(document.getElementById('content1')); 
	  contentpieces.push(document.getElementById('content2')); 
	  contentpieces.push(document.getElementById('content3')); 
	  for(i=0;i<contentpieces.length;i++){
		    btnpieces[i].className="erjibiaoti";
			btnpieces[i].background="./images/sy_jrja3.jpg";
			contentpieces[i].style.display="none";
		}
		btnpieces[number-1].className="shanjibiaoti";
		btnpieces[number-1].background="./images/sy_jrja2.jpg"; 
		contentpieces[number-1].style.display="";
  }
  function changeNews(flag,number){
	  var btnpieces = [];
	  var contentpieces = [];
	  if(flag=='con1'){
	  btnpieces.push(document.getElementById('bmdt')); 
	  btnpieces.push(document.getElementById('qxkx')); 
	  contentpieces.push(document.getElementById('content4')); 
	  contentpieces.push(document.getElementById('content5')); 
	  }
      if(flag=='con2'){
	  btnpieces.push(document.getElementById('ldhd')); 
	  btnpieces.push(document.getElementById('ldjh')); 
	  contentpieces.push(document.getElementById('content6')); 
	  contentpieces.push(document.getElementById('content7')); 
	  }
	  for(i=0;i<btnpieces.length;i++){
		    btnpieces[i].className="shanjibiaoti-hei";
			btnpieces[i].background="./images/sy_dtxx5.jpg";
			contentpieces[i].style.display="none";
		}
		btnpieces[number-1].className="shanjibiaoti";
		btnpieces[number-1].background="./images/sy_dtxx4.jpg"; 
		contentpieces[number-1].style.display="";  
  }
  function changeNews2(number){
	   var btnpieces = [];
	  btnpieces.push(document.getElementById('zfwj')); 
	  btnpieces.push(document.getElementById('bdfg')); 
	  var contentpieces = [];
	  contentpieces.push(document.getElementById('content9')); 
	  contentpieces.push(document.getElementById('content10')); 
	  for(i=0;i<btnpieces.length;i++){
		    btnpieces[i].className="erjibiaoti";
			btnpieces[i].background="./images/sy3_wj3_bg.jpg";
			contentpieces[i].style.display="none";
		}
		btnpieces[number-1].className="shanjibiaoti";
		btnpieces[number-1].background="./images/sy3_wj2_bg.jpg"; 
		contentpieces[number-1].style.display="";
}


  function changebground(number){
	  var imgpieces = [];
	  imgpieces.push(document.getElementById('szxx'));
	  imgpieces.push(document.getElementById('jyta')); 
	  var contentpieces = [];
	  contentpieces.push(document.getElementById('conszxx'));
	  contentpieces.push(document.getElementById('conjyta')); 
	  img1 = new Array('sy_szxx4-2.jpg','sy_szxx5-1.jpg');
	  img2 = new Array('sy_szxx4-1.jpg','sy_szxx5-2.jpg');
	  for(i=0;i<imgpieces.length;i++){
			imgpieces[i].src="./images/"+img1[i];
			contentpieces[i].style.display="none";
		}
		imgpieces[number-1].src="./images/"+img2[number-1]; 
		contentpieces[number-1].style.display="";
	  
}



function changeBack(buttonlink,content,number){
 var i=0;
 var buttonlinkpieces = document.getElementsByName(buttonlink);
 var contentpieces = document.getElementsByName(content);
	for(i=0;i<buttonlinkpieces.length;i++){
	buttonlinkpieces[i].className="xxgk_table2b";
	contentpieces[i].style.display="none";
	}
 buttonlinkpieces[number-1].className="xxgk_table2";
 contentpieces[number-1].style.display="block";
}