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I’m trying to iterate through a group of “month” checkboxes and capture the value of each; however, when I do an alert, I keep getting an initial value of “undefined” (though other values show up in the alert.) Can someone tell me – is the problem in my for loop, or where the error might be? Many thanks-
[CODE]
function submitPage(OT)
{
var MonthSelected;
for (i=0; i<=12; i++)
{
if (document.getElementById (“cbMonth” + i).checked)
{
MonthSelected = MonthSelected + “,”+ i;
}
}
if (OT == “”)
{
document.form.submit();
}
else
{
var outputPage=”post.asp?OT=” + OT;
if (MonthSelected != “”)
{
outputPage += “&MonthSelected=” + “,” + MonthSelected;
}
window.open(outputPage, “winOutput”);
}
function checkAllMonths(checkname, flag)
{
var flag;
var CBoxCount = 13;
var IDS = ”;
for (i = 0; i<CBoxCount; i++)
{
IDS = checkname+i;
document.getElementById(IDS).checked = flag;
}
}
[code=html]
<p><input name=”cbMonth0″ type=”checkbox” id=”cbMonth0″ value=”0″ onClick=”checkAllMonths(‘cbMonth’,true)”>All Months</p>
<p><input name=”cbMonth1″ type=”checkbox” id=”cbMonth1″ value=”1″>January</p>
<p><input name=”cbMonth2″ type=”checkbox” id=”cbMonth2″ value=”2″>February</p>
<p><input name=”cbMonth3″ type=”checkbox” id=”cbMonth3″ value=”3″>March</p>
<p><input name=”cbMonth4″ type=”checkbox” id=”cbMonth4″ value=”4″>April</p>
<p><input name=”cbMonth5″ type=”checkbox” id=”cbMonth5″ value=”5″>May</p>
<p><input name=”cbMonth6″ type=”checkbox” id=”cbMonth6″ value=”6″>June</p>
<p><input name=”cbMonth7″ type=”checkbox” id=”cbMonth7″ value=”7″>July</p>
<p><input name=”cbMonth8″ type=”checkbox” id=”cbMonth8″ value=”8″>August</p>
<p><input name=”cbMonth9″ type=”checkbox” id=”cbMonth9″ value=”9″>September</p>
<p><input name=”cbMonth10″ type=”checkbox” id=”cbMonth10″ value=”10″>October</p>
<p><input name=”cbMonth11″ type=”checkbox” id=”cbMonth11″ value=”11″>November</p>
<p><input name=”cbMonth12″ type=”checkbox” id=”cbMonth12″ value=”12″>December</p>
<input type=”button” class= “button” onClick=”submitPage(‘h’)” value=”HTML”>