复制代码 代码如下:
<script language="javascript" type="text/javascript"> <br><br>var Arrchange1 =new Array (); <br>var Arrchange2 =new Array (); <br>var Arrchange3 =new Array (); <br>function hide(s_id,index) <br>{ <br>var xxx = document .getElementById (s_id); <br>var oldOption = xxx.children(index); <br>var oldStr = oldOption.innerText; <br>var newOption = document.createElement('<div' + oldOption.outerHTML.match(/(<\w*)([^>]*)(>)/)[2] +'>'); <br>newOption.innerText= oldStr; <br>newOption.swapNode(oldOption); <br>//alert(xxx.innerHTML); <br>} <br><br>function show(s_id,index) <br>{ <br>var xxx =document .getElementById (s_id); <br>var oldOption = xxx.children(index); <br>if(oldOption.tagName=='DIV') <br>{ <br>var oldStr = oldOption.innerText; <br>var newOption = document.createElement('<option' + oldOption.outerHTML.match(/(<\w*)([^>]*)(>)/)[2] +'>'); <br>newOption.innerText = oldStr; <br>newOption.swapNode(oldOption); <br>} <br>//alert(xxx.innerHTML); <br>} <br><br><br><br>function onchange1() <br>{ <br>var s_index=document .getElementById ("Ddl_question1").options[document .getElementById ("Ddl_question1").selectedIndex].value; <br>s_index = parseInt(s_index); <br>if(s_index ==0) <br>{ <br>show ('Ddl_question2',Arrchange1 [0] ); <br>show ('Ddl_question3',Arrchange1 [0] ); <br>Arrchange1.pop(); <br>} <br>else <br>{ <br>Arrchange1.push(s_index); <br>if(Arrchange1.length>0) <br>{ <br>show ('Ddl_question2',Arrchange1 [0] ); <br>} <br>if(Arrchange1.length>0) <br>{ <br>show ('Ddl_question3',Arrchange1 [0] ); <br>} <br>hide('Ddl_question2',s_index); <br>hide('Ddl_question3',s_index); <br>} <br>} <br>function onchange2() <br>{ <br>var s_index=document .getElementById ("Ddl_question2").options[document .getElementById ("Ddl_question2").selectedIndex].value; <br>s_index = parseInt(s_index); <br>if(s_index ==0) <br>{ <br>show ('Ddl_question1',Arrchange1 [0] ); <br>show ('Ddl_question3',Arrchange3 [0] ); <br>Arrchange2.pop(); <br>} <br>else <br>{ <br>Arrchange2.push(s_index); <br>if(Arrchange2.length>0) <br>{ <br>show ('Ddl_question1',Arrchange2 [0] ); <br>} <br>if(Arrchange2.length>0) <br>{ <br>show ('Ddl_question3',Arrchange2 [0] ); <br>} <br>hide('Ddl_question1',s_index); <br>hide('Ddl_question3',s_index); <br>} <br>} <br>function onchange3() <br>{ <br>var s_index=document .getElementById ("Ddl_question3").options[document .getElementById ("Ddl_question3").selectedIndex].value; <br>s_index = parseInt(s_index); <br>if(s_index ==0) <br>{ <br>show ('Ddl_question1',Arrchange3 [0] ); <br>show ('Ddl_question2',Arrchange3 [0] ); <br>Arrchange3.pop(); <br>} <br>else <br>{ <br>Arrchange3.push(s_index); <br>if(Arrchange1.length>0) <br>{ <br>show ('Ddl_question1',Arrchange3 [0] ); <br>} <br>if(Arrchange2.length>0) <br>{ <br>show ('Ddl_question2',Arrchange3 [0] ); <br>} <br>hide('Ddl_question1',s_index); <br>hide('Ddl_question2',s_index); <br>} <br>} <br><br>function a() {alert("fuck ");} <br></script>
