Apologies in advance for a stupid question that so far has resisted
"googling."

I wish to know the "Id" value for a node that has been clicked.  for
example:

<g id="mybox" onclick="printData(evt)">
 <polygon points="4,0 0,0 0,4 4,0" />
<g>

where the javascript section would look like

elementdata["mybox"] = "Long winded description number 1";
elementdata["yourbox"] = "Another description. Yea!";

function printData(evt) {
 var element = evt.target;
 var idvalue = ????????? // dom method?
 alert(elementdata[idvalue]);
}

I know that element is the object, but I need to tie to some data
outside the element's attributes that is indexed by the Id, in this
case "mybox".

so I want the alert box to display "Long winded description number 1"
when the "mybox" svg object is clicked.  But I don't know a way to set
the idvalue variable to the id of the <g>.

Thanks for your help!

Todd





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