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09.10.2008 at 08:05AM PDT, ID: 23719483 | Points: 500
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Attachment Details

Javascript checked toggle boxes not working capturing unchecked

Asked by webkiwi1 in JScript, JavaScript, Active Server Pages (ASP)

Hello experts,

Javascript, ASP

I am using the code below to capture values on an ASP page when the user checks the checkbox. The user can only select three boxes.

The problem I am having is the code does not allow for the user unchecking a box, and selecting another one. i.e. 1, 2, 3, unselect 2, select 4 = 3 checked boxes.

I need to add a piece that will capture the unselect and remove the value from the string that is being built.

Hope this makes sense.

I do not know enough about java to know where or how to add the code.
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<script type="text/javascript">
var checkedBoxes=0; 
var thebox;
var checked=null;
function toggleBoxes(thebox) {
    if((thebox.checked==true) && (checkedBoxes+countUserSel()<3)) {
        checkedBoxes=checkedBoxes+1;
//        debugger 
        document.getElementById("checkedRows").value=document.getElementById("checkedRows").value + "," + thebox.value;
        return true;
    }
    else if((thebox.checked==true) && (checkedBoxes+countUserSel()==3)) {
        alert("You can only select 3 properties to compare!");
        return false;
    }
    else{ 
        var selVals=document.getElementById("checkedRows").value ;
        selVals=selVals.replace(thebox.value,'');
        document.getElementById("checkedRows").value=selVals;
        checkedBoxes=checkedBoxes-1;
        return true;
    }
}
 
function setHref(btn) {
    //alert(document.getElementById("checkedRows").value)
         var vals=document.getElementById("checkedRows").value.split(",");
    //for(i=0;i<3;i++) alert(vals[i])      
    var qstr="asmt6_newgrid.asp?pin=<%=wpin%>";
    btn.href=""; 
    var usrsel=new Array(2), i, count=countUserSel();
    
      //alert(count);
    if (count+checkedBoxes>3){
        alert("You have selected "+(count+checkedBoxes)+ " values.  Please change your selection so that there are three or less.")
        return false;
    }
        
    count=0
      for (i=0;i<3;i++) {
          //debugger
          usrsel[i]=document.getElementById("user"+i).value;
          if (usrsel[i].length>0){
              count++;
              qstr= qstr + "&cmp" + count + "pin=" + usrsel[i];
          }
          
              
      }
      
      i=0;
    while(count<=3) {
        count++;
        i++;
        if (vals[i]) 
            qstr= qstr + "&cmp" + count + "pin=" + vals[i];
    }
    btn.href=btn.href+qstr;
   return true;
}
 
function countUserSel(){
    var usrsel=new Array(2), i, count=0;
    for (i=0;i<3;i++){
        usrsel[i]=document.getElementById("user"+i).value;
            if (usrsel[i].length > 0)
                  count++;
    }
    return count;
 
}
</script>
[+][-]09.10.2008 at 10:05AM PDT, ID: 22440478

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[+][-]09.10.2008 at 10:07AM PDT, ID: 22440502

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[+][-]09.10.2008 at 01:47PM PDT, ID: 22442839

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[+][-]09.11.2008 at 07:11AM PDT, ID: 22450061

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[+][-]10.24.2008 at 11:19PM PDT, ID: 22801893

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