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How do I get corresponding option field for selected text in html select

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I have an array called voyageArr where I have the two fields Vesselid and 
Vesselname.
I want to add VesselName as display field and Vesselid as the corresponding 
field for selected VesselName

Here is the html seelct control
<select id="DDLVesselName">
</select>

Here is how I add data to the html select control. This works fine the 
Vesselname is displayed in the html select control.
function Display(flag)
{
       for (var i = 0; i < voyageArr.length; i++)
       {
             $('#DDLVesselName').append($("<option value=" + 
voyageArr[i].Vesselid + "></option>").text(voyageArr[i].VesselName));
       }
}


Here is how I get the display field
var ship = $("#DDLVesselName option:selected").text();

How do I write if I want the corresponding option field which is Vesselid 
for selected VesselName

//Tony

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How do I get corresponding option field for selected text in html select "Tony" <tony.johansson@inport.com> - 2013-05-21 10:08 +0200
  Re: How do I get corresponding option field for selected text in html select "Tony" <tony.johansson@inport.com> - 2013-05-21 10:58 +0200

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