add javascript

perl/CGI code :
    print p(checkbox("fries",0,"yes","Fries")) ;

html code:
    <input name="checkbox" type="checkbox" onMouseOver="showPic(1)" value="checkbox">

is there a way to add the onMouseOver to the perl code?? thank you!!
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You'll need to use the named parameter methods of CGI to get this to work properly:

print p(checkbox( -name=>"fries", -checked=>0, -value=>"yes",
           -label=>"Fries", -onMouseOver=>"showPic(1)"));

The attribute name will be lower-cased, but that does no harm to the functionality:

<p><input type="checkbox" name="fries" value="yes" onmouseover="showPic(1)" />Fries</p>
ocsurfAuthor Commented:
is it better or makes a difference it you preform the html functions This way
    print start_form() ;
    # add both textfields to form
    print p("Name: ", textfield("name")) ;
    print p("E-mail address: ", textfield("site")) ;
    # add the dogs we initialized in dogs array
    print p(radio_group("dog", \@dogs,"Big dog",1)) ;

#printing html
print qq(<form name="form1" method="post" action="">
<table width="735" border="1" summary="main">
  main table
    <td width="159" height="247">
<input name="checkbox" type="checkbox" onMouseOver="showPic(1)" value="checkbox">
Plain Dog <p><input name="checkbox" type="checkbox" onMouseOver="showPic(3)" value="checkbox"> Cheese Dog </p></td>.......etc
ocsurfAuthor Commented:
Forget the last question i figured it out. But how would i do this

@dogs = ('Big dog','Cheese Dog','Plain dog') ;
print p(radio_group("dog", \@dogs,"Big dog",1)) ;

for big dog i would like the mouse over to call showpic(3)
for Cheese dog i would like the mouse over to call showpic(4)
for Plain dog i would like the mouse over to call showpic(5)

is there way, it tried to to do it like above but i think it is because it is an array and a radio group? right?
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ocsurfAuthor Commented:
add 100 points
From CGI pod:

              print $query->radio_group(-name=>'group_name',


              print $query->radio_group('group_name',['eenie','meenie','minie'],


So, if you wish to continue to avoid the keyword-based parameters, you could do:

@dogs = ('Big dog','Cheese Dog','Plain dog') ;
@dogattr{ @dogs } = ( { onmouseover=>{ 'Big dog'=>"showpic(3)" },
               { onmouseover=>"showpic(4)" },
               { onmouseover=>"showpic(5)"} );

print p(radio_group("dog", \@dogs, 'big dog', 1, { }, \%dogattr));

It turns out we have to use the un-minused attribute names in the %dogattr array because of the way the set_attributes routine works internal to

Anyway, the above code gives me:

<input type="radio" name="dog" value="Big dog" onmouseover="showpic(3)" />
Big dog<br />
<input type="radio" name="dog" value="Cheese Dog" onmouseover="showpic(4)" />
Cheese Dog<br />
<input type="radio" name="dog" value="Plain dog" onmouseover="showpic(5)" />
Plain dog<br />

except I inerted some newlines to add clarity and keep the lines from getting too long.
ocsurfAuthor Commented:
@dogattr{ @dogs } = ( { onmouseover=>{ 'Big dog'=>"showpic(3)" },
               { onmouseover=>"showpic(4)" },
               { onmouseover=>"showpic(5)"} );

this part the {} don't match up, there may be an extra on? I'm learning all this, why did you put a %             but at the top you put a @

   |                                                  |
   V                                                 V
 \%dogattr));                                  @dogattr

thank you for the help
Aw, shucks. I posted one of the experimental expressions rather than the one that worked!

@dogs = ('Big dog','Cheese Dog','Plain dog') ;
@dogattr{ @dogs } = ( { onmouseover=>"showpic(3)" },
               { onmouseover=>"showpic(4)" },
               { onmouseover=>"showpic(5)"} );

print p(radio_group("dog", \@dogs, 'big dog', 1, { }, \%dogattr));

You see, I was having trouble getting this to work and it ultimately required going to the source code of the module to figure out what was going wrong.

The @dogadattr{ @dogs } expression is a _slice_ assignment. I'm assigning the list on the right (which contains a sequence of anonymous hash references) to the list on the left, which consists of the members of the %dogattr hash referred to (indexed) by the array @dogs.

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