function(toolbarKey, toolKey, _newTool){
			if(toolbars[toolbarKey]) toolbars[toolbarKey].updateToolDisplay(toolKey, _newTool);
			else throw('textAngular Error: No Toolbar with name "' + toolbarKey + '" exists');
		}
function(toolbarKey, toolKey, _newTool){
			if(toolbars[toolbarKey]) toolbars[toolbarKey].updateToolDisplay(toolKey, _newTool);
			else throw('textAngular Error: No Toolbar with name "' + toolbarKey + '" exists');
		}
function ( toolbarKey , toolKey , _newTool ) { if ( toolbars [ toolbarKey ] ) toolbars [ toolbarKey ] . updateToolDisplay ( toolKey , _newTool ) ; else throw ( 'textAngular Error: No Toolbar with name "' + toolbarKey + '" exists' ) ; }
update a tool on a specific toolbar
update a tool on a specific toolbar