function showInfoBubble( url )
	{
		var phraseID = document . getElementById( 'dictionaryPhrase' ) . value;
		url += "?phraseID=" + phraseID;
		
		if( window.ActiveXObject )
	    	httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
		else
			httpRequest = new XMLHttpRequest();

		httpRequest.onreadystatechange = function(){processRequest( httpRequest );};
		httpRequest.open( "GET", url, true );
		httpRequest.send( 'phraseID=' + phraseID );
	}
	
	function processRequest( httpRequest )
	{
        if ( httpRequest.readyState == 4 ) 
        {
            if ( httpRequest.status == 200 ) 
                showDiv( httpRequest.responseText );
        } 
        
    }
    
    function showDiv( text )
    {
	    var infoBubble = document . getElementById( 'infoBubble' );
    	infoBubble . innerHTML = text;
    	infoBubble . style . display = 'block';
    }
    
	function hideInfoBubble()
	{
		var infoBubble = document . getElementById( 'infoBubble' );
		infoBubble . style . display = 'none';
	}