function createTable(rows, cols)
	{
		var html = ['<table>'];
		
		for (var i = 0; i < rows; i++)
		{
			html.push('<tr>');
			
			for (var j = 0; j < cols; j++)
			{
				html.push('<td><br></td>');
			}
			
			html.push('</tr>');
		}
		
		html.push('</table>');
		
		return html.join('');
	}
Adds a menu item to insert a table.