<script>
function selectCheckbox(objName,value){
//alert(objName);
var obj = document.getElementsByName(objName);
alert(obj);
value=','+value+','
//alert(obj.length);
//alert(value);
for(i=0;i<obj.length;i++){
var e=obj[i];
if(value.indexOf(','+e.value+',')>=0)e.checked=true;
}
}
</script>
<input type='checkbox' name="33" value="A">钢铁
<input type='checkbox' name="33" value="B">铝
<input type='checkbox' name="33" value="C">实木
<input type='checkbox' name="33" value="D">胶合板
<input type='checkbox' name="33" value="F">复合板
<input type='checkbox' name="33" value="G">纤维板
<input type='checkbox' name="33" value="H">塑料
<input type='checkbox' name="33" value="L">纺织品
<input type='checkbox' name="33" value="M">纸
<input type='checkbox' name="33" value="N">金属(除钢铁和铝外)
<input type='checkbox' name="33" value="P">玻璃或陶瓷<input type='checkbox' name="aa" value="N">金属(除钢铁和铝外)
<input type='checkbox' name="aa" value="P">玻璃或陶瓷
<script>selectCheckbox('33','A,B')</script>
<script>selectCheckbox('aa','N,B')</script>
function selectCheckbox(objName,value){
//alert(objName);
var obj = document.getElementsByName(objName);
alert(obj);
value=','+value+','
//alert(obj.length);
//alert(value);
for(i=0;i<obj.length;i++){
var e=obj[i];
if(value.indexOf(','+e.value+',')>=0)e.checked=true;
}
}
</script>
<input type='checkbox' name="33" value="A">钢铁
<input type='checkbox' name="33" value="B">铝
<input type='checkbox' name="33" value="C">实木
<input type='checkbox' name="33" value="D">胶合板
<input type='checkbox' name="33" value="F">复合板
<input type='checkbox' name="33" value="G">纤维板
<input type='checkbox' name="33" value="H">塑料
<input type='checkbox' name="33" value="L">纺织品
<input type='checkbox' name="33" value="M">纸
<input type='checkbox' name="33" value="N">金属(除钢铁和铝外)
<input type='checkbox' name="33" value="P">玻璃或陶瓷<input type='checkbox' name="aa" value="N">金属(除钢铁和铝外)
<input type='checkbox' name="aa" value="P">玻璃或陶瓷
<script>selectCheckbox('33','A,B')</script>
<script>selectCheckbox('aa','N,B')</script>
function selectCheckbox(objName,value){
//alert(objName);
var obj = document.all[objName];
alert(obj);
value=','+value+','
//alert(obj.length);
//alert(value);
for(i=0;i<obj.length;i++){
var e=obj[i];
if(value.indexOf(','+e.value+',')>=0)e.checked=true;
}
}
</script>
<input type='checkbox' name="fi" value="A">钢铁
<input type='checkbox' name="fi" value="B">铝
<input type='checkbox' name="fi" value="C">实木
<input type='checkbox' name="fi" value="D">胶合板
<input type='checkbox' name="fi" value="F">复合板
<input type='checkbox' name="fi" value="G">纤维板
<input type='checkbox' name="fi" value="H">塑料
<input type='checkbox' name="fi" value="L">纺织品
<input type='checkbox' name="fi" value="M">纸
<input type='checkbox' name="fi" value="N">金属(除钢铁和铝外)
<input type='checkbox' name="fi" value="P">玻璃或陶瓷<input type='checkbox' name="aa" value="N">金属(除钢铁和铝外)
<input type='checkbox' name="aa" value="P">玻璃或陶瓷
<script>selectCheckbox('fi','A,B')</script>
<script>selectCheckbox('aa','N,B')</script>
http://community.csdn.net/Expert/topic/3447/3447375.xml?temp=.5970117
<input type='checkbox' name="33" value="B">铝</input>
<input type='checkbox' name="33" value="C">实木</input>
<input type='checkbox' name="33" value="D">胶合板</input>
<input type='checkbox' name="33" value="F">复合板</input>
<input type='checkbox' name="33" value="G">纤维板</input>
<input type='checkbox' name="33" value="H">塑料</input>
<input type='checkbox' name="33" value="L">纺织品</input>
<input type='checkbox' name="33" value="M">纸</input>
<input type='checkbox' name="33" value="N">金属(除钢铁和铝外)</input>
<input type='checkbox' name="33" value="P">玻璃或陶瓷</input><input type='checkbox' name="aa" value="N">金属(除钢铁和铝外)</input>
<input type='checkbox' name="aa" value="P">玻璃或陶瓷</input>