function openw2(name,str)
{  
  n_width = 500;
		n_height = 450;
		n_left = screen.width/2 - n_width/2;
		n_top = screen.height/2 - n_height/2 -28;
		para = 'width=' + n_width + ',height=' + n_height + ',top=' + n_top + ',left=' + n_left + ',scrollbars=yes,resizable=no,toolbar=no, menubar=no,scrollbar=yes';
		window.open(str,name,para);

}
function strlength(str){
    var l=str.length; var n=l;
    for (var i=0;i<l;i++){if (str.charCodeAt(i)<0||str.charCodeAt(i)>255) n++;}
    return n;
}
function checkedtjcpk (fs){
  //if (fs.f1.selectedIndex<1) { alert("请选择产品所属分类--大类。"); fs.f1.focus(); return false; }
  if (fs.f2.options.length>1)
  if (fs.f2.selectedIndex<1) { alert("请选择产品所属分类--大类。"); fs.f2.focus(); return false; }
  //if (fs.f3.selectedIndex<1) { alert("请选择产品所属分类--子类。"); fs.f3.focus(); return false; }
  if (strlength(fs.mc.value)<1) { alert("请输入产品名称。"); fs.mc.focus(); return false; }
  if (strlength(fs.gg.value)<3) { alert("请填写产品规格。"); fs.gg.focus(); return false; }
  if (strlength(fs.dj.value)<3) { alert("请填写产品价格。"); fs.dj.focus(); return false; }
}
function checkedtjtrade (fs){
  //if (fs.f1.selectedIndex<1) { alert("请选择信息所属分类--大类。"); fs.f1.focus(); return false; }
  if (fs.f2.options.length>1)
  if (fs.f2.selectedIndex<1) { alert("请选择信息所属分类--大类。"); fs.f2.focus(); return false; }
  //if (fs.f3.selectedIndex<1) { alert("请选择产品所属分类--子类。"); fs.f3.focus(); return false; }
  if (fs.gq.selectedIndex<1) { alert("请选择供求类型。"); fs.gq.focus(); return false; }
  if (strlength(fs.bt.value)<1) { alert("请填写信息标题。"); fs.bt.focus(); return false; }
  if (strlength(fs.nr.value)<10) { alert("请填写详细的信息内容。"); fs.nr.focus(); return false; }
}
function initcpkf1(fs,v){
  cpkf1a=new Array("选择分类","农林牧渔","能源及设备","环保","冶金矿产","电子电工","建材","五金工具","房地产","汽摩及配件","食品、饮料、烟酒","纸及包装","服装鞋帽类","印刷、出版","运动、休闲","机械及工业制品","化工","纺织品、皮革","科学器材","安全防护","交通运输","仓储设备","金属材料","家具","木业及制品","家用电器、日常电子产品","家居用品","通讯产品","广电设备","礼品、工艺品","办公及文教器材","计算机设备、软件","药品","医疗器械","其他","泵阀");
  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.value;
   fs.f2.options[fs.f2.options.length]=new Option("├全部分类",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);
   }
   len = fs.f3.options.length;
   for(i=0;i<len;i++)	{ fs.f3.remove(0); }
   fs.f3.options[fs.f3.options.length]=new Option("  ├全部子类",0);
}
function chcpkf2(fs){
   var len = fs.f3.options.length;
   for(i=0;i<len;i++)	{ fs.f3.remove(0); }
   p=fs.f1.value*100 + fs.f2.selectedIndex;
   len = cpka.length;
   fs.f3.options[fs.f3.options.length]=new Option("　├全部子类",0); 
   j=1; n=0;
   for(k=0;k<len;k++)	{ 	
     if (cpkb[k]==p){
	   fs.f3.options[fs.f3.options.length]=new Option('　├' + cpka[k],j++);
	   n=k;   
	 }
   }
   if (j>1){ 
     j--;
	 fs.f3.remove(j);
	 fs.f3.options[fs.f3.options.length]=new Option('　└' + cpka[n],j); 
   }
}
var cpkf2a=new Array(36);
cpkf2a[35]=new Array("泵","阀门","控制阀","密封件","配件","其他");
cpka=new Array("离心泵","计量泵","螺杆泵","隔膜泵","往复泵","排污泵","水轮泵","潜水泵","清水泵","磁力泵","旋涡泵","分子泵","低温泵","真空泵","罗茨泵","电站泵","消防泵","耐腐蚀泵","泳池泵","混流泵","轴流泵","蒸汽泵","柱塞泵","农业泵、家用泵","齿轮泵","滑片泵","杂质泵","管道泵","增压泵","锅炉给水泵","试压泵","空调泵","油泵","气泵","桶泵","软管泵","化工泵","工业泵","液下泵","深井泵","其它泵","闸阀","截止阀","蝶阀","止回阀","球阀","紧急切断阀","隔膜阀","旋塞阀","柱塞阀","安全阀","减压阀","水力控制阀","疏水阀","排污阀","调节阀","管夹阀","水暖器材","给料放料阀","电磁阀","真空阀","呼吸阀","多用阀","日标阀门","卫生级阀门","平衡阀","电站阀门","美标阀门","其它阀门","电磁阀","执行机构","调节阀","机械密封件","密封垫片圈","导向环","垫片","电机","混合机","轴承","阻火器","管道","视盅","法兰片","过滤器","液位计","视镜","其它配件");

cpkb=new Array(3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3501,3502,3502,3502,3502,3502,3502,3502,3502,3502,3502,3502,3502,3502,3502,3502,3502,3502,3502,3502,3502,3502,3502,3502,3502,3502,3502,3502,3502,3503,3503,3503,3504,3504,3504,3504,3505,3505,3505,3505,3505,3505,3505,3505,3505,3505,3505);