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");
  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(43);
cpkf2a[42]=new Array("白炽灯","气体放电灯","冷光源","室外照明灯具","室内照明灯具","专用灯具","车灯","指示灯具","手电筒","灯具配附件","电光源材料","插头","插座","绝缘材料","其他");

cpka=new Array("彩色灯泡","卤钨灯泡","摄影灯泡","普通照明白炽灯","微型灯泡","聚光灯泡","水下灯泡","无影灯","红外线灯泡","指示灯泡","其他","氙气灯","U型荧光灯管","冷阴极荧光灯","霓虹灯管","直型荧光灯管","环型荧光灯管","钠灯","汞灯","金卤灯","氖灯","紫外线灯管","螺旋型荧光灯管","其他","EL冷光片","发光二极管","其他","太阳能灯","隧道灯具","泛光灯","投射灯","探照灯","草坪灯","埋地灯","高杆灯","道路照明灯","庭院灯","景观灯","码头桥梁灯具","其他","节能灯","格栅灯","台灯","吊灯","壁灯","落地灯","吸顶灯","筒灯","小夜灯","其他","运动场馆灯具","舞台灯具","摄影灯具","医疗灯具","射灯","杯灯","广告灯具","紫外线灯","灭蚊灯","红外线灯","工矿灯具","水下灯具","防爆灯具","工艺装饰灯具","装饰灯串","LED灯具","机床灯具","其他","大灯","前照灯","转向灯","角灯","尾灯","雾灯","仪表灯","刹车灯","车顶灯","工作灯","检修灯","其他","交通警示灯","航空障碍灯","其他指示灯具","应急指示灯具","信号灯","设备指示灯","其他","普通手电筒","充电手电筒","LED手电筒","太阳能手电筒","无电源手电筒","头灯","提灯","探照灯","其他手电筒","其他","端子","稳压器","灯箱","触点","触片","触发器","光源器","灯杯","支架","灯头","灯座","灯盘","灯柱灯杆","灯罩","启辉器","镇流器","其他","灯丝","荧光粉电子粉","灯管","泡壳","芯柱","其他","两极电源插头","三极电源插头","其他","","插座配件","定时器插座","工业插座","地面插座","桌面插座","机柜插座","墙壁插座","接线插座","PCB插座","转换插座","其他","电工胶带","绝缘套管","绝缘隔离柱","绝缘子","绝缘带","云母片","绝缘板","绝缘垫片","其他","其他");

cpkb=new Array(4201,4201,4201,4201,4201,4201,4201,4201,4201,4201,4201,4202,4202,4202,4202,4202,4202,4202,4202,4202,4202,4202,4202,4202,4203,4203,4203,4204,4204,4204,4204,4204,4204,4204,4204,4204,4204,4204,4204,4204,4205,4205,4205,4205,4205,4205,4205,4205,4205,4205,4206,4206,4206,4206,4206,4206,4206,4206,4206,4206,4206,4206,4206,4206,4206,4206,4206,4206,4207,4207,4207,4207,4207,4207,4207,4207,4207,4207,4207,4207,4208,4208,4208,4208,4208,4208,4208,4209,4209,4209,4209,4209,4209,4209,4209,4209,4209,4210,4210,4210,4210,4210,4210,4210,4210,4210,4210,4210,4210,4210,4210,4210,4210,4210,4211,4211,4211,4211,4211,4211,4212,4212,4212,4212,4213,4213,4213,4213,4213,4213,4213,4213,4213,4213,4213,4214,4214,4214,4214,4214,4214,4214,4214,4214,4215);