function InitOptions(c,t){ 
if (c=='请选择类别'||c=='')
 fix(t,"-请选择系列-","");
 else 
 if (c!="")
  fix(t,"-请选择系列-","");
  
 if (c=="3"){ 
 fix(t,"电热水器","38"); 
 }

 if (c=="2"){ 
 fix(t,"天花机系列","30"); 
 }

 if (c=="1"){ 
 fix(t,"分体挂壁式空调","24"); 
 }

 if (c=="2"){ 
 fix(t,"CMV智能变频系列","37"); 
 }

 if (c=="3"){ 
 fix(t,"燃气热水器","39"); 
 }

 if (c=="1"){ 
 fix(t,"分体落地式空调","25"); 
 }

 if (c=="3"){ 
 fix(t,"燃气灶","40"); 
 }

 if (c=="2"){ 
 fix(t,"风冷式冷(热)水机组系列","33"); 
 }

 if (c=="1"){ 
 fix(t,"窗式空调","26"); 
 }

 if (c=="3"){ 
 fix(t,"抽油烟机","41"); 
 }

 if (c=="2"){ 
 fix(t,"高静压管道机(风机盘管)系列","34"); 
 }

 if (c=="3"){ 
 fix(t,"风幕机","42"); 
 }

 if (c=="1"){ 
 fix(t,"分体变频空调","27"); 
 }

 if (c=="2"){ 
 fix(t,"中静压管道机(风机盘管)系列","32"); 
 }

 if (c=="1"){ 
 fix(t,"移动式空调","28"); 
 }

 if (c=="2"){ 
 fix(t,"低静压管道机(风机盘管)系列","35"); 
 }

 if (c=="2"){ 
 fix(t,"模块式风冷冷(热)水机组","36"); 
 }

 if (c=="1"){ 
 fix(t,"除湿机系列","29"); 
 }

 if (c=="3"){ 
 fix(t,"电风扇","43"); 
 }

 if (c=="1"){ 
 fix(t,"储酒冰箱","50"); 
 }

 if (c=="3"){ 
 fix(t,"洗衣机","44"); 
 }

 if (c=="3"){ 
 fix(t,"电磁炉","45"); 
 }

 if (c=="3"){ 
 fix(t,"DVD","46"); 
 }

 if (c=="3"){ 
 fix(t,"VCD","47"); 
 }

 if (c=="3"){ 
 fix(t,"电视机","48"); 
 }

 if (c=="3"){ 
 fix(t,"饮水机","49"); 
 }



}


 function reInitOptions(){
 var val=document.form1.TID; //父系列名
 var gr=document.form1.Ttid;   //子系列名
// Milist=val.options[val.selectedIndex].text;
 Tname=val.value
 for(i=gr.length;i>0;i--){ gr.options[0]=null; }
 pause=true;
 InitOptions(Tname,'h');
 gr.options[0].selected=true;
 return false;
 }

 function fix(t,val,v) {
 if(!pause)
 document.write(""+val);
 else{
 if(t=='h')
 var gr=document.form1.Ttid;
 var valOption=new Option(val);
 var valLen=gr.length;
 gr.options[valLen]=valOption;
 gr.options[valLen].value=v;
 }
 }