add:  var oSC = document.getElementById( "parameter_table" ).getElementsByTagName( "select" ); for( var i = 0; i < oSC.length; i++ ) { Event.observe( oSC[i], 'mouseover', this.__neh_mouseover_select_closure, false ); Event.observe( oSC[i], 'mouseout', this.__neh_mouseout_select_closure, false ); } 
context: 	__local_installEventHandlers_extend : function( id )	{		// Observe "keydown" event		this.keydown_closure = this.__neh_keydown.bindAsEventListener( this );		Event.observe( $(id), 'keydown', this.keydown_closure, false );	},
meta: 855	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/855/071ed8f2b94157e49b672d7913746dd743335290/BirtParameterDialog.js/clean/viewer/org.eclipse.birt.report.viewer/birt/webcontent/birt/ajax/ui/dialog/BirtParameterDialog.js