<SCRIPT LANGUAGE="JavaScript"> <!-- function ock_check(){ var obj=document.all.frm1.all("c"); var iSum=0; var myArray = new Array(obj.length); for(var i=0;i<obj.length;i++){ if(obj[i].checked==true){ iSum++; myArray[i]=i+1; }else{ myArray[i]=0; } } if(iSum==2){ var i=0; var arrChkbox = new Array(2); for(var j=0;j<myArray.length;j++){ if(myArray[j]!=0){ arrChkbox[i]=myArray[j]-1; i++; } } for(var ch=arrChkbox[0];ch<arrChkbox[1];ch++){ obj[ch].checked=true; } } return false; } //--> </SCRIPT> <FORM METHOD=POST ACTION="xxx.asp" name="frm1" onsubmit="return ock_check()"><% For i=1 To 20
Response.write i&":<INPUT TYPE='checkbox' NAME='c'> " If i Mod 5 = 0 Then Response.write "<BR>" End if Next %> <BR><INPUT TYPE="submit" value="check" > </FORM>
<!--
function ock_check(){
var obj=document.all.frm1.all("c");
var iSum=0;
var myArray = new Array(obj.length);
for(var i=0;i<obj.length;i++){
if(obj[i].checked==true){
iSum++;
myArray[i]=i+1;
}else{
myArray[i]=0;
}
}
if(iSum==2){
var i=0;
var arrChkbox = new Array(2);
for(var j=0;j<myArray.length;j++){
if(myArray[j]!=0){
arrChkbox[i]=myArray[j]-1;
i++;
}
}
for(var ch=arrChkbox[0];ch<arrChkbox[1];ch++){
obj[ch].checked=true;
}
}
return false;
}
//-->
</SCRIPT>
<FORM METHOD=POST ACTION="xxx.asp" name="frm1" onsubmit="return ock_check()"><%
For i=1 To 20
Response.write i&":<INPUT TYPE='checkbox' NAME='c'> "
If i Mod 5 = 0 Then
Response.write "<BR>"
End if
Next
%>
<BR><INPUT TYPE="submit" value="check" >
</FORM>
<!--
var isShiftKeyDown=false;//是否shift按下
var lastClk=null;//最后点击的checkbox对象
var lastCheck=false;//最后选择的checkbox的状态
var isMultiSel = false;//是否处于多选状态
var startIndex = -1;//记录上次多选状态起始index
var endIndex = -1;//记录上次多选状态结束indexfunction chkClk(chkObj){
var chks=frm1.elements("chk");
if(isShiftKeyDown){
if(!lastClk) lastClk = chks[0];
if(isMultiSel)
for(var i=startIndex;i<=endIndex;i++)
chks[i].checked = !lastCheck;
var startChk = lastClk;
var endChk = chkObj;
if(lastClk.sourceIndex > chkObj.sourceIndex){
var temp = startChk;
startChk = endChk;
endChk = temp;
}
for(var i=0;i<chks.length;i++){
if(chks[i] == startChk)
startIndex=i;
if(chks[i] == endChk){
endIndex=i;
break;
}
}
for(var i=startIndex;i<=endIndex;i++)
chks[i].checked = lastCheck;
isMultiSel = true;
}else{
lastClk = chkObj;
isMultiSel = false;
}
lastCheck = chkObj.checked;
}
document.onkeydown=function(){
if(event.keyCode==16)
isShiftKeyDown=true;
}
document.onkeyup = function(){
if(event.keyCode==16)
isShiftKeyDown=false;
}
//-->
</SCRIPT>
<FORM METHOD=POST ACTION="xxx.asp" name="frm1" onsubmit="return ock_check()">
<script language="JavaScript">
<!--
for(var i=0;i<10;i++)
document.write('<input type="checkbox" name="chk" onclick="chkClk(this)"> '+i+'<br>');
//-->
</script>
<BR><INPUT TYPE="submit" value="check" >
</FORM>