var cpkf2a=new Array(9);
cpkf2a[1]=new Array("气相色谱仪","高压液相色谱仪","红外，紫外可见光","原子吸收","微量氧分析仪","水分仪");
cpkf2a[2]=new Array("气相色谱耗材及配件","液相色谱耗材及配件","样品前处理");
cpkf2a[3]=new Array("");
cpkf2a[4]=new Array("");
cpkf2a[5]=new Array("");
cpkf2a[6]=new Array("");
cpkf2a[7]=new Array("");
cpkf2a[8]=new Array("高纯气体","特种气体","标准气体");
cpkf2a[9]=new Array("");

function initcpkf1(fs,v){
  cpkf1a=new Array("选择大类","分析仪器","色谱耗材","生化仪器","实验室常规仪器","玻璃仪器","化学试剂","标准品","气体","其他");
  len=cpkf1a.length;
  for(i=0;i<len;i++)	{ fs.f1.options[fs.f1.options.length]=new Option(cpkf1a[i],i);   } 
  fs.f1.value=v;
}

function chcpkf1(fs){
   var len = fs.f2.options.length;
   for(i=0;i<len;i++)	{ fs.f2.remove(0); }
   j=fs.f1.selectedIndex;
   //fs.f2.options[fs.f2.options.length]=new Option("              ",0);
   if (j>0) { 
     len = cpkf2a[j].length-1;
     for(i=0;i<len;i++)	{ fs.f2.options[fs.f2.options.length]=new Option(' ' + cpkf2a[j][i],i+1);   } 
	 fs.f2.options[fs.f2.options.length]=new Option(' ' + cpkf2a[j][i],i+1);
   }
}