登 录
<html><br /> <head><br /> <mce:script type="text/javascript"><!--<br /> function setMode(i,j)<br /> {<br /> var op = document.getElementsByTagName("select");<br /> var op3 = document.createElement('option');<br /> op3.text='op3';<br /> var op4 = document.createElement('option');<br /> op4.text='op4';</p> <p> if(op[i].selectedIndex>1) {<br /> op[j].options[3]=null;<br /> op[j].options[2]=null;<br /> }else if(op[j].length == 2) {<br /> op[j].options.add(op3);<br /> op[j].options.add(op4);<br /> }<br /> }<br /> function checkMode1()<br /> {<br /> setMode(0,1);<br /> setMode(0,2);<br /> setMode(0,3);<br /> }<br /> function checkMode2()<br /> { setMode(1,0);</p> <p> setMode(1,2);<br /> setMode(1,3);<br /> }<br /> function checkMode3()<br /> {<br /> setMode(2,0);<br /> setMode(2,1);</p> <p> setMode(2,3);<br /> }<br /> function checkMode4()<br /> { setMode(3,0);<br /> setMode(3,1);<br /> setMode(3,2);<br /> }<br /> // --></mce:script><br /> </head><br /> <body></p> <p><form><br /> <select id="mySelect1" onChange="checkMode1()"><br /> <option value="op1">op1</option><br /> <option value="op2">op2</option><br /> <option value="op3">op3</option><br /> <option value="op4">op4</option><br /> </select><br /> <select id="mySelect2" onChange="checkMode2()"><br /> <option>op1</option><br /> <option>op2</option><br /> <option>op3</option><br /> <option>op4</option><br /> </select><br /> <select id="mySelect3" onChange="checkMode3()"><br /> <option>op1</option><br /> <option>op2</option><br /> <option>op3</option><br /> <option>op4</option><br /> </select><br /> <select id="mySelect4" onChange="checkMode4()"><br /> <option>op1</option><br /> <option>op2</option><br /> <option>op3</option><br /> <option>op4</option><br /> </select><br /> </form></p> <p></body><br /> </html><br />
抱歉!评论已关闭.