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POFlex/Flash 4 ExternalInterface.call - trying to get a string from HTML to Actionscript
 

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  1. POFlex/Flash 4 ExternalInterface.call - trying to get a string from HTML to Actionscript
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    <p>I need to obtain a string from HTML and put it into Actionscript.</p> <p>the actionscript:</p> <pre><code>import flash.external.ExternalInterface; protected function getUserName():void{ var isAvailable:Boolean = ExternalInterface.available; var findUserName:String = "findUserName"; if(isAvailable){ var foundUserName:String = ExternalInterface.call(findUserName).toString(); Alert.show(foundUserName);}} </code></pre> <p>the javascript:</p> <pre><code>function findUserName() { var label = document.getElementById("username-label"); if(label.value != ""){ alert("the name in the box is: " + label.value); return label.value;} else return "nothing in the textbox";}} </code></pre> <p>the JSP:</p> <pre><code>&lt;%IUserSession userSession = SessionManager.getSession();%&gt; &lt;logic:notEmpty name="userSession"&gt; &lt;logic:notEqual value="anonymous" name="userSession" property="userLoginId"&gt; &lt;td align="right" width="10%" &gt; &lt;input id="username-label" type="text" value="&lt;bean:write name="userSession" property="userLoginId"/&gt;" /&gt; &lt;/td&gt; &lt;/logic:notEqual&gt; &lt;/logic:notEmpty&gt; </code></pre> <p>the rendered HTML:</p> <pre><code>&lt;td align="right" width="10%"&gt; &lt;input id="username-label" type="text" value="a-valid-username" /&gt; &lt;/td&gt; </code></pre> <p>when the javascript execution hits</p> <pre><code>var label = document.getElementById("username-label"); </code></pre> <p>a null is returned and crashes, no alert shows no error message is shown. I can successfully do a search firefox DOM Inspector by "username-label" (document.getElementById())</p> <p>The only alert box that pops up is the action script alert box and the contents are blank.</p> <p>firfox 3.5 windows, container is Tomcat.</p> <p>Please advise, and thank you in advance.</p>
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